SATHEE: Electrostatics Question 11

Electrostatics Question 11

Question: A condenser of capacity $50 μ F$ is charged to $10 v o l t s$ . Its energy is equal to [CPMT 1978; MP PET 1994; MP PMT 2000]

Options:

A) $2.5 \times 10^{- 3} j o u l e$

B) $2.5 \times 10^{- 4} j o u l e$

C) $5 \times 10^{- 2} j o u l e$

D) $1.2 \times 10^{- 8} j o u l e$

Show Answer

Answer:

Correct Answer: A

Solution:

$U = \frac{1}{2} C V^{2} = \frac{1}{2} \times 50 \times 10^{- 6} \times {(10)}^{2} = 2.5 \times 10^{- 3} J$

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Electrostatics Question 11

Question: A condenser of capacity 50μF is charged to 10 volts . Its energy is equal to [CPMT 1978; MP PET 1994; MP PMT 2000]

Options:

Answer:

Solution:

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Question: A condenser of capacity $50 μ F$ is charged to $10 v o l t s$ . Its energy is equal to [CPMT 1978; MP PET 1994; MP PMT 2000]