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Potential energy of two equal negative p...

Potential energy of two equal negative point charges `2muC` each held 1 m apart in air is

A

2 J

B

2 eV

C

4 J

D

0.036 J

Text Solution

Verified by Experts

The correct Answer is:
D
`"As, PE"=(1)/(4pi epsilon_(0)).(q_(1)q_(2))/(r)=(9xx10^(9)(2xx10^(-6))^(2))/(1)=0.036J`
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-ELECTROSTATICS-PRACTICE EXERCISE (Exercise 1 (TOPICAL PROBLEMS))
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  9. A copper plate of thickness b is placed inside a parallel plate capaci...

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  10. In the circuit shown below, capacitors A and B have identical geometry...

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  11. The equivalent capacitance of the combination of three capacitors each...

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  15. A network of four capacitors of capacities equal to C(1)=C,C(2)=2C, C(...

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  16. A series combination of n(1) capacitors, each of value C(1), is charge...

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  17. In the connections shown in the adjoining figure, the equivalent capac...

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  18. Parallel plate capacitor is constructed using three different dielectr...

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  19. The total energy stored in the condenser system shown in the figure wi...

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  20. Two capacitor C(1)=2muF and C(2)=6muF are in series order connected is...

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