Recent content by asp_physics

Homework Statement An 8 bit ADC has a full scale input of 2.55V. If other cumulative errors are 2.55mV, determine the maximum error. Options are: 10mV, 2.55mV, 12.55mV, 7.45mVHomework Equations I believe this is a conceptual question. The only equation I can come up with is that the...

Just a wild guess. Might be violating the laws of electricity with this answer. :) Is it 8 ohm? I assumed the diodes to be ideal. No current flows through the diode D2 as there is no voltage drop across it. 10mA flows through D1. So R= 80mV/10mA = 8 ohm

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Find Thevenin resistance. That's the value you need to put. In the second case, short the voltage source. Thevenin resistance = 0.5k || (2k+3K) In the first case, short the voltage source. The vertical 6k becomes ineffective as there is a short across it. The 3k and the horizontal 6k at the...

Oh. Now I get what you meant. Thanks.

@ Jmf Thanks for the response. Is this what you were referring to? [Please refer to the image :) I've assumed the resistances to be 1 ohm each for simplicity] Source voltage = 1V, Total current = 3A. Therefore effective resistance = 1/3 ohm If the resistances were 6 ohms each, then...

Hi, Could it be 2 ohm? Here is my attempt. If we connect a 1V source, the voltage at various nodes are as shown. In effect, it's the three resistances in parallel. So three 6 ohms in parallel = 2ohm. Please correct if I'm wrong.

Current flow is caused by electrons. Electrons originate from the negative terminal of a battery. But conventionally, the direction of current is taken in reverse. That is, external to the battery, it's from + to -, or in other words, from - to + inside the battery. In the question, direction...

Calculation is simple. Va-V1)/Ra + Vb-V1)/Rb = 0 Solving, V1= [(Va/Ra) + (Vb/Rb)] / [(1/Ra) + (1/Rb)] Now, Vo = [1+ (R2/R1)]V1 Substitute and you will get the answer.

Homework Statement Calculate the equivalent resistance between the points X1 and X2. Homework Equations R series = sum of resistances R parallel = reciprocal of resistances The Attempt at a Solution I'm sorry I do not get any idea on solving the question. I have done it in the...