1.

The bob of a simple pendulum has mass 2 g and a charge of 5.0 μC. It is at rest in a uniform horizontal electric field of intensity 2000 V/m. At equilibrium, the angle that the pendulum makes with the vertical is:(Take g=10 m/s2)

A. tan-1 2.0
B. tan-1 0.2
C. tan-1 5.0
D. tan-1 0.5
Answer» E.


Discussion

No Comment Found