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Magnetism and Electromagnetism

Magnetism and Electromagnetism
One telsa is equal to

1 Wb/m
1 Wb/mm²
1 mWb/m²
1 Wb/m²

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Magnetism and Electromagnetism
The unit of relative permeability is

Hennry/meter
Hennry
Its dimensionless
None of the listed here

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Magnetism and Electromagnetism
The voltage induced across a certain coil is 200 mV. A 120 resistor is connected to the coil terminals. The induced current is

120 mA
16 mA
12 mA
1.7 mA

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Magnetism and Electromagnetism
The susceptibility of paramagnetic materials generally lies between

10"2 and KT5
KT4 and KT8
KT3 and 1CT6
1CT3 and 1CT7

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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?

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

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Magnetism and Electromagnetism
The materials having low retentivity are suitable for making

Temporary Magnet
Weak magnet
None of the listed here
Permanent magnet

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MORE MCQ ON Magnetism and Electromagnetism

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