SATHEE: Electrostatics Question 126

Electrostatics Question 126

Question: The energy required to charge a capacitor of $5 μ F$ by connecting a d.c. source of 20 kV is [Pb. PMT 2002]

Options:

A) 10 kJ

B) 5 kJ

C) 2 kJ

D) 1 kJ

Show Answer

Answer:

Correct Answer: D

Solution:

$U = \frac{1}{2} C V^{2} = \frac{1}{2} 5 \times 10^{- 6} \times {(20 \times 10^{3})}^{2} = 1 k J$

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Electrostatics Question 126

Question: The energy required to charge a capacitor of 5μF by connecting a d.c. source of 20 kV is [Pb. PMT 2002]

Options:

Answer:

Solution:

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Question: The energy required to charge a capacitor of $5 μ F$ by connecting a d.c. source of 20 kV is [Pb. PMT 2002]