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Electrician
Electrician Set-2
Magnetism and Capacitors
4

Magnetism and Capacitors MCQ with Answers

4) Which is the diamagnetic substance?

Air

Steel

Water

Platinum

Answer is:

Water

Magnetism and Capacitors MCQ with Answers

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Related Magnetism and Capacitors MCQ with Answers

5) Which factor affects the polarity of the electromagnet?

Length of the coil

Direction of current

Strength of current

Strength of the magnetic field

Answer is:

Direction of current

6) What is the unit of Magneto Motive Force (MMF)?

Ampere / m²

Ampere - m

Ampere - turns

Ampere / turns

Answer is:

Ampere - turns

7) What is the unit of permeance?

Ampere - turns

Weber/Ampere turns

Ampere turns/Weber

Weber/Square metre

Answer is:

Weber/Ampere turns

8) Which rule is applied to find the direction of magnetic fields in a solenoid coil?

Cork screw rule

Right hand palm rule

Flemings left hand rule

Flemings right hand rule

Answer is:

Right hand palm rule

Magnetism and Capacitors MCQ with Answers

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