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Magnetism and Electromagnetism

Magnetism and Electromagnetism
A rectangular magnet of magnetic moment M is cut into two piece of same length, the magnetic moment of each piece will be

M/4
2M
M
M/2

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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

decreases
increases
remains constant
reaches zero

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Magnetism and Electromagnetism
Fleming's left hand rule is used to find

Direction of force on a current carrying conductor in a magnetic field
Direction of flux in a solenoid
Direction of magnetic field due to current carrying conductor
Polarity of a magnetic pole

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Magnetism and Electromagnetism
Which of the following is not a unit of flux?

Maxwell
Tesla
Weber
All of the listed here

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Magnetism and Electromagnetism
A 300 mm long conductor is carrying a current of 10 A and is situated at right angles to a magnetic field having a flux density of 0.8 T ; the force on the conductor will be

0.24 N
24 N
2.4 N
240 N

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Magnetism and Electromagnetism
The force between two long parallel conductors is inversely proportional to

Radius of conductor
Product of current in two conductors
Distance between the conductors
Current in one conductor

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MORE MCQ ON Magnetism and Electromagnetism

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