Electric Pote...

Electric Potential Due to a Solid Sphere of Charge

Trending Questions

Q. Equal charges are given to two spheres of different radii. The potential will

Be more on the smaller sphere
Be more on the bigger sphere
Be equal on both the spheres
Depend on the nature of the materials of the spheres

Q. Two metal spheres (radii

r_{1}, r_{2}

with

r_{1} < r_{2}

) are very far apart but are connected by a thin wire. If their combined charge is

Q

, then what is their common Potential?

$\frac{k Q}{(r_{1} + r_{2})}$
$\frac{k Q}{(r_{1} - r_{2})}$
$\frac{- k Q}{(r_{1} + r_{2})}$
$\frac{- k Q}{r_{1} r_{2}}$

View Solution

Q. An insulated sphere of radius R has a volume charge density

ρ

. The variation of its potential with respect to the distance from the centre is best represented by

View Solution

Q. A large hollow metallic sphere

A

(of radius

R

) is positively charged to a potential of

100 V

and a small sphere

B

(of radius

\frac{R}{5}

) is also positively charged to a potential of

100 V

. Now

B

is placed inside

A

and they are connected by a wire. The final potential of

A

will be:

$200 V$
$150 V$
$120 V$
none of above

View Solution

Q. Two metal spheres (radii

r_{1}, r_{2}

with

r_{1} < r_{2}

) are very far apart but are connected by a thin wire. If their combined charge is

Q

, then what is their common Potential?

$\frac{k Q}{(r_{1} + r_{2})}$
$\frac{k Q}{(r_{1} - r_{2})}$
$\frac{- k Q}{(r_{1} + r_{2})}$
$\frac{- k Q}{r_{1} r_{2}}$

View Solution

Q. Two metal spheres (radii

r_{1}, r_{2}

with

r_{1} < r_{2}

) are very far apart but are connected by a thin wire. If their combined charge is

Q

, then what is their common Potential?

$\frac{k Q}{(r_{1} + r_{2})}$
$\frac{k Q}{(r_{1} - r_{2})}$
$\frac{- k Q}{(r_{1} + r_{2})}$
$\frac{- k Q}{r_{1} r_{2}}$

View Solution

Q. A uniformly charged sphere is placed as shown. Find the amount of work done by an external agent to bring a 2C charge (Very slowly without acceleration) from infinity to the point P? Take infinity as the reference

$1.8 \times 10^{12} J$
$1.8 \times 10^{11} J$
$18 \times 10^{12} J$
$1.8 \times 10^{14} J$

View Solution

Q. Correct curve of potential

(V)

versus distance

(r)

from centre of two charged spherical shells is

View Solution