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Standard XII

Physics

Symmetry in Circuits

The figure sh...

Question

The figure shows a part of a complete circuit. The potential difference $V_{B} - V_{A}$ when the current I is 5A and is decreasing at a rate of $10^{3}$ A $s^{- 1}$ is given by

15 V

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10 V

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-15 V

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20 V

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Solution

The correct option is C
-15 V

The circuit can be redrawn as shown. $V_{A} - 1 \times 5 - 15 + 5 = V_{B}$

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The network shown in the figure is part of a complete circuit. If at a certain instant, the current I is 5 A and it is decreasing at a rate of $10^{3} A s^{- 1}$ then $V_{B} - V_{A}$ equals

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The figure shows a part of a complete circuit. The potential difference VB–VA when the current I is 5A and is decreasing at a rate of 103 A s–1 is given by

The correct option is C -15 V The circuit can be redrawn as shown. VA–1×5–15+5=VB

The figure shows a part of a complete circuit. The potential difference $V_{B} - V_{A}$ when the current I is 5A and is decreasing at a rate of $10^{3}$ A $s^{- 1}$ is given by

The correct option is C
-15 V

The circuit can be redrawn as shown. $V_{A} - 1 \times 5 - 15 + 5 = V_{B}$