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 r1, r2 with r1<r2) are very far apart but are connected by a thin wire. If their combined charge is Q, then what is their common Potential?
- kQ(r1+r2)
- kQ(r1−r2)
- −kQ(r1+r2)
- −kQr1r2
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
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 R5) 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
Q. Two metal spheres (radii r1, r2 with r1<r2) are very far apart but are connected by a thin wire. If their combined charge is Q, then what is their common Potential?
- kQ(r1+r2)
- kQ(r1−r2)
- −kQ(r1+r2)
- −kQr1r2
Q. Two metal spheres (radii r1, r2 with r1<r2) are very far apart but are connected by a thin wire. If their combined charge is Q, then what is their common Potential?
- kQ(r1+r2)
- kQ(r1−r2)
- −kQ(r1+r2)
- −kQr1r2
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
![](https://s3-us-west-2.amazonaws.com/infinitestudent-images/ckeditor_assets/pictures/7820/content_jaya.png)
![](https://s3-us-west-2.amazonaws.com/infinitestudent-images/ckeditor_assets/pictures/7820/content_jaya.png)
- 1.8×1012J
- 1.8×1011J
- 18×1012J
- 1.8×1014J
Q. Correct curve of potential (V) versus distance (r) from centre of two charged spherical shells is
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1144719/original_14.png)
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1144719/original_14.png)