TS EAMCET Medical 2017 Paper

A metallic pendulum bob of mass 300 gm contains a charge of 1 C, and is suspended by a thread of length 5 cm. When the system is placed in an horizontal electric field

→

E

, the bob gets displaced by 4 cm as shown in the figure. The value of |

→

E

| isestimated to be
[Use g= 10 m/s2]