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Magnetism and Electromagnetism

Magnetism and Electromagnetism
Which of the following is the unit of magnetic flux density?

Lumens
Tesla
None of the listed here
Weber

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Magnetism and Electromagnetism
The electromagnet has 50 turns and a current of 1A flows through the coil. If the length of the magnet circuit is 200 mm, what is the magnetic field strength?

25 AT/m
2500 AT/m
0.25 AT/m
250 AT/m

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Magnetism and Electromagnetism
What is the magnetomotive force in a 75-turn coil of wire when there are 4 A of current through it?

30 At
18.75 At
187 At
300 At

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Magnetism and Electromagnetism
Unit for quantity of electricity is

Ampere
Coulomb
Ampere-hour
Joule

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Magnetism and Electromagnetism
When the speed at which a conductor is moved through a magnetic field is increased, the induced voltage

increases
reaches zero
decreases
remains constant

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Magnetism and Electromagnetism
Which of the following materials are diamagnetic?

Silver and copper
Copper
Silver
Iron

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MORE MCQ ON Magnetism and Electromagnetism

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