Problem 2 Consider the three circuits shown above. All the resistors and all the

Question

Problem 2 Consider the three circuits shown above. All the resistors and all the batteries are identical. Select true or false for each statemernt The voltage across a single resistor in circuit C is twice the voltage across a single resistor in circuit B. The power dissipated in circuit A is twice the power dissipated in circuit B. The total power dissipatod in circuit C is twice the total power dissipated in circuit B. The current through a reststor is the same in circuits A and C. The current through a resistor is the same in circuits A and B.

Explanation / Answer

Here, for the circuits A and C

as the resistors are in parallel in C , the potential across resistances in C is also V

in B , both the resistance are in series , hence , Req = 2 * R

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Now, for the ture and false

a) True , Voltage across resistance in B = V/2

b) True , as Power = V^2/Req

c) False , the power in B is 4 times

d) True , as the potential across each resistance is same

e) False , the current in B is half

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