Circuit A has one resistor and one battery. Circuit B has two resistors in serie

Question

Circuit A has one resistor and one battery. Circuit B has two resistors in series and one battery. Circuit C has two resistors that are parallel with one battery. All resistors and all batteries are identical.
1. The power dissipated in circuit A is twice the power dissipated in circuit B.
2. The current through a resistor is the same in circuits A and C.
3. The current through a resistor is the same in circuits A and B.
4. The voltage across a single resistor in circuit C is twice the voltage across a single resistor in circuit B.
5. The total power dissipated in circuit C is twice the total power dissipated in circuit B.

T/F

Explanation / Answer

A) i1 = V/R P= VI = V^2/R B) i2= V/2R P= V^2/2R c) i3= V/0.5R = 2V/R P= 2V^2/R 1. T 2.F 3.T 4.T 5.F

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