SATHEE: Electrostatics Question 91

Electrostatics Question 91

Question: If the capacity of a spherical conductor is 1 picofarad, then its diameter, would be [Pb. PMT 1999]

Options:

A) $1.8 \times 10^{- 3} m$

B) $18 \times 10^{- 3} m$

C) $1.8 \times 10^{- 5} m$

D) $18 \times 10^{- 7} m$

Show Answer

Answer:

Correct Answer: B

Solution:

$C = 4 π ε_{0} R$

$R = \frac{C}{4 π ε_{0}} = 9 \times 10^{9} \times 10^{- 12} = 9 \times 10^{- 3} m$

Diameter = 2R = 2 x 9 x 10^3 = 18 x 10^3 m

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Electrostatics Question 91

Question: If the capacity of a spherical conductor is 1 picofarad, then its diameter, would be [Pb. PMT 1999]

Options:

Answer:

Solution:

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