Electrical Engineering Forum

Join the expert discussion on electrical engineering topics. Topics like the uses of electricity and the equipment for power generation. Circuits, Fiber, Signals and Systems, Semiconductor Devices...

Threads

Robot Laser Tag Photoresistor Circuit

  • ThereIam
  • · Replies 1 ·
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1

AM Demodulator: SSB -> AM; Op Amp?

  • Voltux
  • · Replies 3 ·
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3

Current discharge re capacitors

  • Robin Hooper
  • · Replies 2 ·
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2

3-pin (Gas Discharge Tube) Surge arrester rating DC spark over voltage

  • Sherlock_H
  • · Replies 3 ·
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3

How Does Rotational Motion Affect Magnetic Fields Between Two Magnets?

  • ex3mist
  • · Replies 9 ·
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9

Understanding concept of Zener Diodes for voltage

  • foobag
  • · Replies 8 ·
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8

How Do You Connect Vcc+ and Vcc- in a TL072 OpAmp Circuit?

  • rusty009
  • · Replies 2 ·
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2

Effect of frequency on power in a wire?

  • Evil Bunny
  • · Replies 6 ·
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6

What Is a Current Source and How Does It Differ from a Voltage Source?

  • PainterGuy
  • · Replies 10 ·
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10

How to Implement Dynamic Max/Min Control in a Simulink 2 D.O.F System?

  • 19dan87
  • · Replies 1 ·
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1

Current sensing/measuring circuit

  • Pagedown
  • · Replies 6 ·
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6

Do both circuits have the same output waveform?

  • PainterGuy
  • · Replies 4 ·
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4

Reviving Old Cup Warmer: Harnessing Piezoelectric Energy from Heat

  • mishima
  • · Replies 2 ·
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2

What Is the Best Sensor for Measuring Arm Movement in Basketball?

  • maigo.liu
  • · Replies 6 ·
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6

Capacitor input filter for voltage regulater

  • Pagedown
  • · Replies 5 ·
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5

What is Switch Bounce? | Project Study Info

  • Furion
  • · Replies 6 ·
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6

Summer+inverter op amp[multisim diagram]

  • bos1234
  • · Replies 6 ·
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6

Understanding Electrical Motor Failure Condition Data

  • AprilByrd
  • · Replies 9 ·
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9

What is the Hall Sensor IC and how does it detect North and South poles?

  • Robin Hooper
  • · Replies 1 ·
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1

Simple Diodes Q&A - Constant Voltage Drop & Output Regulation

  • Bassalisk
  • · Replies 20 ·
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20

Understanding Phase & Line Currents in Star Connections

  • amaresh92
  • · Replies 2 ·
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2

What Are the Latest Applications for Semiconductor Sensors?

  • ShinobiRain
  • · Replies 3 ·
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3

Is there a transistor that acts like a relay?

  • JerryG
  • · Replies 2 ·
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2

Searching for Master Thesis Topic in Power Engineering

  • ihedioha
  • · Replies 1 ·
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1

Energy calculation and interpretation of a power plant

  • dmssrinivas
  • · Replies 2 ·
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2

Diode-transistor logic shortcuts?

  • Artlav
  • · Replies 2 ·
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2

Power transformer 60 hz to be tested on 50 hz

  • bigjoe5263
  • · Replies 13 ·
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13

Understanding Capacitor Applications in AC and DC Circuits

  • jaredogden
  • · Replies 10 ·
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10
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8

Electron flow direction: Convention VS what's exactly happening

  • Femme_physics
  • · Replies 56 ·
2
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56

Understanding the Passive Sign Convention: Explaining P=+iv and P=-iv

  • Charismaztex
  • · Replies 6 ·
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6

Questions about power grid in US

  • cuallito
  • · Replies 2 ·
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2

Should metal chimney liners be grounded against lightning strikes?

  • Spinnor
  • · Replies 2 ·
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2

LV electronic ballast failures for halogen

  • nobledane
  • · Replies 3 ·
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3

High Current Switch Solution for Hobbiest

  • babyd3k
  • · Replies 1 ·
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1

Question about getting started with electronics

  • Bob Busby
  • · Replies 3 ·
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3

Ferrite bead as low pass filter search

  • aryenudelman
  • · Replies 14 ·
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14

Transformers frequancies possible to use?

  • aryenudelman
  • · Replies 2 ·
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2

Choosing correct LED mcd for outdoor indication

  • peterlonz
  • · Replies 2 ·
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2
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11

Cryogenic Op Amp: Experiences & Solutions

  • OxDEADBEEF
  • · Replies 1 ·
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1

How can I create a Wunderwaffle-inspired shot counter for a paintball gun?

  • dontcalmepete
  • · Replies 4 ·
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4

Can I get +5/-5vdc from 9v battery

  • epcole
  • · Replies 3 ·
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3

Step Up vs Step Down: What’s the Key Difference?

  • toneboy1
  • · Replies 7 ·
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7

Why do electrical generators experience load effects?

  • Bloc911
  • · Replies 4 ·
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4

Kelvin water dropper and Walter Lewin

  • gnurf
  • · Replies 2 ·
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2
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5

Uniqueness and existence of simplified equivalent circuits

  • Andrew732
  • · Replies 2 ·
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2

Field loss in a shunt wound dc motor

  • david90
  • · Replies 6 ·
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6

Zero-Span Circuits: What & How?

  • bos1234
  • · Replies 7 ·
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7
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7

Fixing High-Pitched Whirring Electric Motor Issue

  • n9643750
  • · Replies 12 ·
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12

Reverse polarity in torque motor

  • servo
  • · Replies 2 ·
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2

How Can I Solve My Antenna Coupling Problem?

  • Rob Patterson
  • · Replies 16 ·
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16
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3

What Are Balanced and Unbalanced Transmission Lines?

  • fisico30
  • · Replies 31 ·
2
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31

Induction motor higher starting torque

  • I_am_learning
  • · Replies 2 ·
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2

Finding total current for series capacitors

  • jaredogden
  • · Replies 3 ·
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3

Build a Solar-Powered Pool Pump: What You Need to Know

  • booter10ca
  • · Replies 5 ·
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5

What factors affect the rotating speed of a motor?

  • mainer0311
  • · Replies 4 ·
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4

Help: Learning Probability of Detection and False Alarm

  • chingkui
  • · Replies 2 ·
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2
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8

How Can I Isolate a 9V Battery Load for an Audio Circuit?

  • Rekinom
  • · Replies 7 ·
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7

Programmable logic device question

  • bob987
  • · Replies 2 ·
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2

Can cell phone radiation cause harm?

  • ramonegumpert
  • · Replies 21 ·
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21

Total rookie here. Prob an easy question for you guys/gals

  • memetics1
  • · Replies 5 ·
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5

Dave Jones Discovers a Quirk in Electronics Engineering!

  • Lancelot59
  • · Replies 11 ·
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11

Panasonic Inverter CN701: Find Sensors to Control Terminals 1-3

  • Tony Simpson
  • · Replies 1 ·
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1

Test performing on bulk material

  • neduet
  • · Replies 1 ·
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1

Relationship between PWM, Torque and Duty for a 3D Crane System

  • carlosreyes
  • · Replies 2 ·
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2

Electromagnetic particle collector?

  • Cbowen546
  • · Replies 3 ·
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3

Effects of a Motor on sensitive electronic components

  • Xarren
  • · Replies 1 ·
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1

Change out switch on controller

  • jamesssf
  • · Replies 3 ·
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3

Career as physicist in electrical engeneering?

  • Rhian
  • · Replies 2 ·
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2

Can I Use a 520A RMS Thyristor for Controlling a 500A DC Motor?

  • RJK
  • · Replies 2 ·
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2

Capacitance linking to phase shift

  • willrice
  • · Replies 1 ·
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1

Voltmeter must cause disconnnection in order to measure the volt?

  • Femme_physics
  • · Replies 7 ·
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7

GPS Pseudo-range and Positioning

  • chingkui
  • · Replies 8 ·
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8

What Happens When AC Is Applied to a Capacitor?

  • skylines
  • · Replies 1 ·
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1
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11

3 or more transistor darlington

  • ramonegumpert
  • · Replies 6 ·
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6

How discharging and recharging batteries effects lifetime

  • puhlonker
  • · Replies 1 ·
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1

Why does multiplying 120 by 1.73 give me 208 volts in a 3 phase system?

  • Evil Bunny
  • · Replies 2 ·
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2

Finding the Right RF VHF Diode for GSM Signal Amplification

  • ramonegumpert
  • · Replies 5 ·
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5

Digital vs. Analogue Signal Definition

  • paul_harris77
  • · Replies 5 ·
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5

Understanding a Nintendo AC 220V to 24V 550mA DC Adapter

  • Bassalisk
  • · Replies 8 ·
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8

Can Resistance Increase Brightness in LED Diodes and Light Bulbs?

  • Bassalisk
  • · Replies 4 ·
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4

Will a Leyden Jar Store AC Current?

  • Fischer777
  • · Replies 6 ·
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6

Strange Motor Wiring: 6 Motors, 200HP, 380V 50Hz

  • esso
  • · Replies 7 ·
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7

Understanding AC Current for Beginners

  • PainterGuy
  • · Replies 30 ·
2
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30

Can you add voltages in parallel if you use diodes?

  • toneboy1
  • · Replies 2 ·
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2

Some General Electromagnet Questions

  • mgibson
  • · Replies 9 ·
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9

PWM Control for Electric Vehicle

  • RJK
  • · Replies 2 ·
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2

Understanding Power Supply Ratings and Compatibility

  • sdusheyko
  • · Replies 4 ·
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4

Anyone understand starved plate designs?

  • jeffamm
  • · Replies 25 ·
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25

Is my solenoid's resistance too low?

  • thomsonm
  • · Replies 4 ·
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4

Problems about circuit diagram full wave rectification

  • PainterGuy
  • · Replies 9 ·
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9

Understanding Electric Currents in Fig 5.13 & 5.14(b)

  • PainterGuy
  • · Replies 15 ·
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15

Understanding Clamping Diodes: Voltage Conditions and Operational Behavior

  • likephysics
  • · Replies 3 ·
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3

Batteries and Capacitors in Series

  • Drakkith
  • · Replies 11 ·
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11