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Magnetism and Electromagnetism

Magnetism and Electromagnetism
What will be the current passing through the ring shaped air cored coil when number of turns is 800 and ampere turns are 3200?

6
4
12
8

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Magnetism and Electromagnetism
Unit for quantity of electricity is

Ampere-hour
Joule
Ampere
Coulomb

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Magnetism and Electromagnetism
The materials are a bit inferior conductors of magnetic flux than air.

Ferromagnetic
None of the listed here
Dielectric
Diamagnetic

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

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

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Magnetism and Electromagnetism
Paramagnetic materials have relative permeability

equal to unity
equal to that ferromagnetic mate rials
slightly more than unity
slightly less than unity

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Magnetism and Electromagnetism
A conductor of length L has current I passing through it, when it is placed parallel to a magnetic field. The force experienced by the conductor will be

BLI2
BLI
Zero
None of the listed here

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MORE MCQ ON Magnetism and Electromagnetism

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