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Magnetism and Electromagnetism

Magnetism and Electromagnetism
The magnetic materials exhibit the property of magnetisation because of

spin of nucleus
orbital motion of electrons
either of these
spin of electrons

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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

16 mA
12 mA
1.7 mA
120 mA

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

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

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Magnetism and Electromagnetism
An electromagnetic field exists only when there is

an increasing current
current
voltage
decreasing current

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Magnetism and Electromagnetism
The uniform magnetic field is

None of the listed here
The field of a set of parallel conductors
The field in which all lines of magnetic flux are parallel and equidistant
The field of a single conductor

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Magnetism and Electromagnetism
The bar magnet has

Dipole moment
None of the listed here
Both dipole and monopole moment
Monopole moment

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MORE MCQ ON Magnetism and Electromagnetism

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