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A particle A having a charge of 2.0xx 1...

A particle A having a charge of `2.0xx 10^(-6)` C and a mass of 100 g is placed at the bottom of a smoth inclined plane of inclination `30@` . Where should another particle B, having same charge and mass, be placed on the incline so that it may remain in equilibrium?

A

27 cm

B

16 cm

C

30 cm

D

45 cm

Text Solution

Verified by Experts

The correct Answer is:
A
`mg sin theta= 1/(4 pi epsilon_(0)) (q^(2))/(r^(2))`
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