Gamma Question Bank for Engineering Physics>Chapter 16 - Electrostatic Potential and Capacitance>EXERCISE 2.2>Q 20

EASY

JEE Main/Advance

IMPORTANT

Earn 100

Find the value of $k$ if potential at $O$ is zero.

Important Questions on Electrostatic Potential and Capacitance

EASY

JEE Main/Advance

IMPORTANT

Gamma Question Bank for Engineering Physics>Chapter 16 - Electrostatic Potential and Capacitance>EXERCISE 2.2>Q 22

Two charges

q

and

- 4 q

are kept on a straight line. At how many points on this line, the electric potential is zero?

EASY

JEE Main/Advance

IMPORTANT

Gamma Question Bank for Engineering Physics>Chapter 16 - Electrostatic Potential and Capacitance>EXERCISE 2.3>Q 24

A rod is bent into a semi-circular arc of radius $R .$ The rod has a uniform linear charge distribution $λ .$ The potential at the centre of the arc, point $P$ is

Question Image

EASY

JEE Main/Advance

IMPORTANT

Gamma Question Bank for Engineering Physics>Chapter 16 - Electrostatic Potential and Capacitance>EXERCISE 2.3>Q 25

An electric field exists in space as

E = 2 \hat{i} + 3 \hat{j} + 0 \hat{k} .

Find the potential difference

(V_{A} - V_{B})

between points

A (2, 2, 0)

and

B (1, 1, 0) .

MEDIUM

JEE Main/Advance

IMPORTANT

Gamma Question Bank for Engineering Physics>Chapter 16 - Electrostatic Potential and Capacitance>EXERCISE 2.3>Q 27

The electrostatic potential difference between points

A

and

B, V_{A} - V_{B},

which are distances

r_{A} = 2.0 m

and

r_{B} = 1.0 m

from an infinitely long thin wire

λ = 1.0 μ C / m

is

EASY

JEE Main/Advance

IMPORTANT

Gamma Question Bank for Engineering Physics>Chapter 16 - Electrostatic Potential and Capacitance>EXERCISE 2.3>Q 31

A uniform electric field having a magnitude

E_{0}

, directed along positive x-axis exists. If the electric potential

V

is zero at

x = 0

, then its value at

x = + x

will be

MEDIUM

JEE Main/Advance

IMPORTANT

Gamma Question Bank for Engineering Physics>Chapter 16 - Electrostatic Potential and Capacitance>EXERCISE 2.3>Q 33

In an electric field, potential at a point with position vector

\vec{r}

is given as

v = \frac{343}{| \vec{r} |}

. The electric field at

\vec{r} = 3 \hat{i} + 2 \hat{j} + 6 \hat{k}

is

EASY

JEE Main/Advance

IMPORTANT

Gamma Question Bank for Engineering Physics>Chapter 16 - Electrostatic Potential and Capacitance>EXERCISE 2.4>Q 34

Consider a hollow spherical conductor that has a potential of

300

volts at its outside surface. The potential inside the hollow must be

EASY

JEE Main/Advance

IMPORTANT

Gamma Question Bank for Engineering Physics>Chapter 16 - Electrostatic Potential and Capacitance>EXERCISE 2.4>Q 37

Two copper spheres of same radii (one hollow and other solid) are charged to the same potential then