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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...
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Title
How to Calculate Angular Acceleration of Miniature Car Tires Using DC Motor?
Jun 27, 2016
Replies
2
Views
2K
Building an electromagnet, would appreciate advice
Jun 27, 2016
Replies
6
Views
2K
Electric Field Lines: Can Charges Move on Conductors?
Jun 27, 2016
Replies
2
Views
1K
What to do with (relatively) old controller
Jun 27, 2016
Replies
5
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1K
Active cell balancing with LTC3300-2
Jun 26, 2016
Replies
3
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2K
Why does AC have less copper loss than DC
Jun 26, 2016
Replies
3
Views
4K
Alternatives to varistors as overload protection at DC motor
Jun 26, 2016
Replies
5
Views
5K
Why doesn't direct current work in a transformer circuit?
Jun 25, 2016
Replies
14
Views
3K
Bode Plot Application: Increase Frequency Response & Magnitude Understanding
Jun 25, 2016
Replies
12
Views
3K
Dynamic model of non-linear system
Jun 25, 2016
Replies
1
Views
1K
CNT electrode CCTO dielectric supercapacitors?
Jun 24, 2016
Replies
1
Views
1K
Voltage and Reactive Power Relationship
Jun 24, 2016
Replies
8
Views
11K
Why are reactive power and voltage related?
Jun 24, 2016
Replies
10
Views
2K
Magnets and coils configuration for electricity generation
Jun 24, 2016
Replies
6
Views
3K
Quick question about inverter TX order wrt mains
Jun 23, 2016
Replies
30
Views
3K
How to see ON/OFF status by using SCT-013 via Raspberry Pi?
Jun 23, 2016
Replies
2
Views
2K
Neat windings vs sloppy windings for Solenoid Actuator?
Jun 23, 2016
Replies
4
Views
2K
Inverting a signal up to 100mV using op amps
Jun 23, 2016
Replies
6
Views
2K
Ring Main Unit Design in Electrical Panels
Jun 23, 2016
Replies
3
Views
1K
Confusion about circuit schematic notations
Jun 22, 2016
Replies
30
Views
4K
RF absorbing sheet materials? (5GHz)
Jun 22, 2016
Replies
6
Views
2K
Exceeding Limits: The 621 Million Transistor Chip
Jun 22, 2016
Replies
8
Views
2K
Effect of placing twisted wire in a Stainless tube
Jun 22, 2016
Replies
45
Views
5K
Homemade Reactive Archery Target
Jun 22, 2016
Replies
4
Views
1K
Jackson classical electrodynamics section 9-6
Jun 22, 2016
Replies
2
Views
1K
What is role of Quad Ring Main Unit (QRM) in Substation?
Jun 22, 2016
Replies
9
Views
24K
Is DC More Efficient for Long-Distance Train Power Transmission?
Jun 22, 2016
Replies
11
Views
2K
Snubber for a 3kVA 240V to 110V transformer
Jun 22, 2016
Replies
19
Views
2K
Is the circuit breaker amperage the rms amperage
Jun 21, 2016
Replies
5
Views
6K
Capacitor charging above solar cell voltage?
Jun 21, 2016
Replies
15
Views
3K
Which direction for maximum signal on 3 antenna router?
Jun 21, 2016
Replies
7
Views
13K
Why electric devices do not draw more current than they need?
Jun 21, 2016
Replies
5
Views
2K
How can I adjust the roll off of my preamp design for better frequency response?
Jun 20, 2016
Replies
3
Views
2K
What is the meaning of HVDC transmission line voltages?
Jun 20, 2016
Replies
2
Views
1K
Why permanent magnets are not used in Synchronous Motor?
Jun 20, 2016
Replies
6
Views
4K
How Can I Safely Power a DC Treadmill Motor from AC Mains?
Jun 20, 2016
Replies
1
Views
2K
Excess Energy Saving from a constant energy source.
Jun 20, 2016
Replies
7
Views
2K
20 kOhms/V meter versus Digital meter in valve circuits
Jun 20, 2016
Replies
7
Views
2K
Why Is Transfer Function Defined for Linear Systems Only?
Jun 20, 2016
Replies
1
Views
1K
Electronic NOT gate chip question
Jun 19, 2016
Replies
28
Views
4K
Power Factor Correction: Metering & Inductance
Jun 19, 2016
Replies
2
Views
1K
Voltage divider not working for fan
Jun 18, 2016
Replies
23
Views
7K
How do Hoop Mode Transducers Work?
Jun 18, 2016
Replies
5
Views
2K
Analytic solution for these two antennas
Jun 17, 2016
Replies
26
Views
3K
How do these both relate to one another? (Gain and dB's)
Jun 16, 2016
Replies
5
Views
1K
Using instantaneous torque to determine energy
Jun 16, 2016
Replies
5
Views
1K
Questions about vacuum tube data sheets
Jun 16, 2016
Replies
5
Views
3K
Car battery -- charging questions
Jun 16, 2016
2
Replies
77
Views
8K
I need a good data logging DMM -- 1.5kV Range
Jun 16, 2016
Replies
7
Views
2K
Limiting Output Voltage of the Opamp to avoid saturation
Jun 16, 2016
Replies
5
Views
4K
Rotor and negative sequence impedance of alternator
Jun 16, 2016
Replies
7
Views
3K
Good beginner's resources for power factors and grids
Jun 15, 2016
Replies
1
Views
2K
Why is the Antenna Pattern Scaled Differently in This Diagram?
Jun 14, 2016
Replies
2
Views
2K
Why Are Waves So Long in Frequency and Wavelength?
Jun 14, 2016
Replies
8
Views
2K
Maximum Theoretical Angular Accuracy of Planer arrays
Jun 14, 2016
Replies
3
Views
2K
Reference Pin on Differential Amplifier
Jun 14, 2016
Replies
3
Views
2K
Detecting fluorescence via CW or pulsed LEDs
Jun 13, 2016
Replies
3
Views
1K
What Topics Should I Study for Mastering Wireless Power Transfer?
Jun 13, 2016
Replies
3
Views
2K
Sub $100 Low minimum High Voltage DC probe (3kV minimum)?
Jun 13, 2016
Replies
1
Views
2K
What is difference between Motorized Breaker & simple Breaker?
Jun 13, 2016
Replies
4
Views
9K
Induction motors and power factor
Jun 12, 2016
Replies
22
Views
3K
Alternate uses for rail gun technology
Jun 11, 2016
Replies
25
Views
3K
Pnp transistor with base connected to collector
Jun 10, 2016
Replies
5
Views
4K
Calculate Unknown Voltages in Amplifier Circuit
Jun 10, 2016
Replies
11
Views
3K
Why does Kraus include both A and r in his equation for a small-loop antenna?
Jun 9, 2016
Replies
7
Views
1K
Amplitude modulation of signals with [suppressed] carrier
Jun 8, 2016
Replies
3
Views
3K
Electromagnetism and power requirements
Jun 8, 2016
Replies
6
Views
2K
Advice on heat gun temp for de-soldering
Jun 8, 2016
Replies
26
Views
5K
How can I connect sensors in a household without a laptop or large controller?
Jun 8, 2016
Replies
2
Views
2K
Generation of video signal by photoconductive effect....
Jun 8, 2016
Replies
6
Views
1K
Low PAPR permformance for Monochromatic Frequency signals
Jun 8, 2016
Replies
1
Views
1K
Device that changes the direction of single phase ac motor?
Jun 8, 2016
Replies
1
Views
1K
Farm Motor Capacitor Replacement
Jun 8, 2016
Replies
17
Views
4K
Impedance matching hydrophones and DAQs
Jun 8, 2016
Replies
12
Views
3K
Do electrets have static charge?
Jun 7, 2016
Replies
2
Views
1K
Insights
AC Power Analysis: Part 1, Basics - Comments
Jun 7, 2016
Replies
12
Views
3K
Aluminium vs Copper in power lines
Jun 7, 2016
Replies
5
Views
2K
Why we used capacitor in the fan ?
Jun 7, 2016
Replies
4
Views
3K
Current limiter for TIA, realizing dc current source
Jun 7, 2016
Replies
2
Views
2K
Location of ground on a GL 12 Test Board
Jun 7, 2016
Replies
18
Views
3K
Complete Noise Analysis: to find the minimum detectable signal
Jun 6, 2016
Replies
9
Views
3K
What do the numbers on a capacitor mean?
Jun 6, 2016
Replies
3
Views
2K
Do I need to know related rates for electrical engineering?
Jun 6, 2016
Replies
3
Views
1K
Understanding DAC Output: Can It Accidentally Spit Out Digital Values?
Jun 6, 2016
Replies
8
Views
2K
Have you ever repaired a violin before?
Jun 6, 2016
Replies
19
Views
2K
Role of Quantum Mechanics and Thermodynamics in solar cell?
Jun 6, 2016
Replies
1
Views
1K
Generating SPWM using arduino-simulink environment
Jun 6, 2016
Replies
1
Views
3K
Makeshift DC Motor Radiating EMF
Jun 5, 2016
Replies
11
Views
2K
Questions about voltage divider circuits
Jun 5, 2016
Replies
11
Views
2K
Why does speed of DC motor increase when flux is reduced?
Jun 5, 2016
Replies
28
Views
31K
What is the effect of efficiency on the cost of electricity?
Jun 5, 2016
Replies
7
Views
1K
How can I obtain a soft iron core for my electromagnet experiment?
Jun 4, 2016
Replies
31
Views
28K
Effect of PV on-grid (quality, voltage, stability)
Jun 3, 2016
Replies
3
Views
2K
What determines generated voltage and current in solar cell?
Jun 3, 2016
Replies
1
Views
2K
Spark gap switch and 2N6798 in PSPICE
Jun 2, 2016
Replies
15
Views
8K
Electrolysis using Displacement current?
Jun 2, 2016
Replies
12
Views
4K
Back EMF & Rotor Flux: Synchronous Motor
Jun 2, 2016
Replies
3
Views
2K
Find TX turns ratio and 'class' questions?
Jun 2, 2016
Replies
5
Views
2K
Measuring motor current on different leads
Jun 2, 2016
Replies
7
Views
1K
What is a positive sequence model of an induction machine?
Jun 1, 2016
Replies
1
Views
1K
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