General Physics Questions And Answers


Q1. 
Pick out the SI unit of magnetic flux.

Ans.
Weber


Q2. 
Which of the following is a unit of magnetic flux?

Ans.
Maxwell


Q3. 
The total number of magnetic lines of force crossing the surface placed in a magnetic field normally is called the magnetic induction.

Ans.
False


Q4. 
Calculate the magnetic flux when the magnetic field is perpendicular to the surface area.

Ans.
Maximum


Q5. 
Which type of physical quantity is magnetic flux?

Ans.
Scalar


Q6. 
What is the power factor in a pure resistive circuit?

Ans.
1


Q7. 
What is the power factor in a pure inductive or capacitive circuit?

Ans.
0


Q8. 
Power factor has a unit of Watts.

Ans.
False


Q9. 
What is the power factor for a series LCR circuit at resonance?

Ans.
1


Q10. 
What is the reactance of an inductor in a dc circuit?

Ans.
Zero