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Byju's Answer

Standard XII

Physics

Resistance and Resistors

Find V A - V ...

Question

Find $V_{A} - V_{B}$ at the instant when current in given circuit I = 3A and it is decreasing with 1A/sec at that instant

- 3.5V

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7.5

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14.5 V

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-7.5 V

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Solution

The correct option is D -7.5 V

$V_{A} + (2) (1) + 10 - (3) (1.5) = V_{B} V_{A} + 7.5 = V_{B} V_{A} - V_{B} = - 7.5 V$

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Find VA−VB at the instant when current in given circuit I = 3A and it is decreasing with 1A/sec at that instant

The correct option is D -7.5 V VA+(2)(1)+10–(3)(1.5)=VBVA+7.5=VBVA–VB=–7.5V

Find $V_{A} - V_{B}$ at the instant when current in given circuit I = 3A and it is decreasing with 1A/sec at that instant

The correct option is D -7.5 V

$V_{A} + (2) (1) + 10 - (3) (1.5) = V_{B} V_{A} + 7.5 = V_{B} V_{A} - V_{B} = - 7.5 V$