General Physics Questions And Answers


Q1. 
What is the magnetic field inside a pipe?

Ans.
Zero


Q2. 
The angle at which a charged particle moves through a magnetic field with a velocity, having zero magnetic force is 180o.

Ans.
False


Q3. 
Which law can ampere’s circuital be derived from?

Ans.
Biot-Savart Law


Q4. 
Find the true statement.

Ans.
The force between two parallel current carrying wires is independent of the radii of the wires


Q5. 
State the rule that is used to find the direction of field acting at a point near a current-carrying straight conductor.

Ans.
The right-hand thumb rule


Q6. 
Aluminum is a diamagnetic material.

Ans.
False


Q7. 
Arrange the following in the increasing order of magnetic susceptibility.

Ans.
Diamagnetic < Paramagnetic < Ferromagnetic


Q8. 
Soft iron is used in the cores of transformers.

Ans.
True


Q9. 
Pick out the material that cannot be used to make permanent magnets.

Ans.
Zinc


Q10. 
Find the true statement.

Ans.
The magnetic susceptibility of diamagnetic substances are temperature independent