The bob of a simple pendulum has mass 2 g and a charge of 5.0 
C. 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=10m/s2)
(a)
tan−1 (0.2)
(b)
tan−1(5.0)
(c)
tan−1(2.0)
(d)
tan−1(0.5)
The bob of a simple pendulum has mass 2 g and a charge of 5.0 C. 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=10m/s2)
(a)
tan−1 (0.2)
(b)
tan−1(5.0)
(c)
tan−1(2.0)
(d)
tan−1(0.5)
Question ID - 51156 | SaraNextGen Top Answer
The bob of a simple pendulum has mass 2 g and a charge of 5.0 C. 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=10m/s2)
(a)
tan−1 (0.2)
(b)
tan−1(5.0)
(c)
tan−1(2.0)
(d)
tan−1(0.5)
|
The bob of a simple pendulum has mass 2 g and a charge of 5.0 |
|||
|
(a) |
tan−1 (0.2) |
(b) |
tan−1(5.0) |
|
(c) |
tan−1(2.0) |
(d) |
tan−1(0.5) |
1 Answer
127 votes
Tcos
= mg
=qE
=
=
=
127