General Physics Questions And Answers, Set 58

 

General Physics Questions And Answers

Q1. 

Electric field inside a hollow conducting sphere ______

Ans.

Is zero

Q2. 

Electric field due to a uniformly charged hollow sphere at a distance of r (where r is greater than the radius of the sphere) is ______

Ans.

Inversely proportional to r2

Q3. 

Two point charges q1 and q2 are situated at a distance d. There is no such point in between them where the electric field is zero. What can we deduce?

Ans.

The charges are of opposite polarity

Q4. 

A uniformly charged sphere of radius R has charge +Q. A point charge –q is placed at a distance of 2R from the center of the sphere. The point charge will execute the simple harmonic motion. The statement is _____

Ans.

False

Q5. 

Two point charges of the same polarities are hung with the help of two threads and kept close. The angle between the threads will be ______ if the system is taken to space.

Ans.

180 degree

Q6. 

If a positively charged sphere is taken close to another uncharged sphere then which of the following statements is true?

Ans.

Induction occurs before the attraction

Q7. 

Induction occurs due to ______

Ans.

Movement of electron

Q8. 

A charge is being induced to a sphere with the help of another charged sphere. The extent of induction increase if _____

Ans.

Remains same irrespective of the distance between the spheres

Q9. 

During induction, earthing of the body is done for faster induction.

Ans.

False

Q10. 

Current carrier in conductors is ____

Ans.

Electron

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