Question

Two capacitors of 4 x 10-6 F and 12 x 10^-6 F are connected in series across a battery. The voltage across the 4 x I0^-6 F is 3V. Calculate a) effective capacitance of the combination, b) total battery voltage, c) energy stored in the system.​

Answer 1

Answer:

12th

Physics

Electrostatic Potential and Capacitance

Combination of Capacitors

Two capacitors of 2 μ F and...

PHYSICS

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Asked on December 26, 2019 by

Manas Teli

Two capacitors of 2 μF and 4 μF are connected in parallel. A third capacitor of 6 μF is connected in series. The combination is connected across a 12 V battery. The voltage across 2 μF capacitor is:

MEDIUM

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ANSWER

C

P

=2+4=6μF

C

1

=

6

1

+

6

1

=

6

2

=

3

1

orC=3μF

Total charge

Q=CV=3×12=36μC

voltage across 6μF capacitor =

6μF

36μC

=6V

∴ Voltage across each of 2μF and 4μF capacitors

=12V−6V

V=6V

Answer 2

Answer:

$\huge\boxed{\underline{\mathcal{\red{A} \green{N} \pink{S} \orange{W} \blue{E}\purple{R}}}}$