General Physics Questions And Answers, Set 59

 

General Physics Questions And Answers

Q1. 

Electric field is a _______

Ans.

Vector quantity

Q2. 

Two point charges +4q and +q are kept at a distance of 30 cm from each other. At which point between them, the field intensity will be equal to zero?

Ans.

20cm away from the +4q charge

Q3. 

V/m is the unit of ______

Ans.

Electric field intensity

Q4. 

Three equal positive charges are kept at the corners of an equilateral triangle. What will be the vector sum of the forces acting on the particles?

Ans.

Zero

Q5. 

Coulomb force is a central force.

Ans.

True

Q6. 

Which group among the following is insulator?

Ans.

Paper, glass, cotton

Q7. 

The band gap between the valence band and conduction band is the measure of ______

Ans.

The conductivity of the material

Q8. 

A static electricity experiment can be performed properly in any season. The statement is ______

Ans.

False

Q9. 

The rubber used in the wheels of aero-plane is _________

Ans.

Slightly conducting

Q10. 

Insulation breakdown may occur at _______

Ans.

High temperature

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