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Standard VII

Mathematics

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What is the p...

Question

What is the potential difference $V$ across the combination?

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Solution

The common potential is $V_{c} = \frac{Q_{1} + Q_{2}}{C_{1} + C_{2}} = \frac{C_{1} V_{0} + 0}{C_{1} + C_{2}} = \frac{8 \times 120}{8 + 4} = 80 V$

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What is the potential difference V across the combination?

The common potential is Vc=Q1+Q2C1+C2=C1V0+0C1+C2=8×1208+4=80V

What is the potential difference $V$ across the combination?

The common potential is $V_{c} = \frac{Q_{1} + Q_{2}}{C_{1} + C_{2}} = \frac{C_{1} V_{0} + 0}{C_{1} + C_{2}} = \frac{8 \times 120}{8 + 4} = 80 V$