Lenz Law in Hindi

Lenz Law in Hindi. We covered all the Lenz Law in Hindi in this post for free so that you can practice well for the exam.

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Mock test on Lenz Law for Students

When a conductor moves through a magnetic field, it carries an induced current of 0.025 mA upward. If the strength of the magnetic field is doubled, the direction of the induced current will:

a) Reverse

b) Remain unchanged

c) Take an arbitrary direction

d) Either reverse or take any direction

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A wire moves in a magnetic field of strength B. If the cross-sectional area of the wire is doubled, what happens to the direction of the induced emf?

a) It remains unchanged

b) It reverses

c) It becomes inclined at an angle

d) It either reverses or becomes inclined

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A metallic ring is fixed to a wall. When the north pole of a magnet is brought close to the ring, the direction of the induced current in the ring is:

a) Zero

b) Infinite

c) Clockwise

d) Anticlockwise

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In an experiment, a magnet with its magnetic moment along the axis of a circular coil and pointing toward it is pulled away from the coil, keeping its orientation unchanged. As observed from the magnet, the current induced in the coil is:

a) Zero

b) Clockwise

c) Anticlockwise

d) Zero initially, then clockwise

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When the south pole of a magnet approaches a coil, the face of the coil nearer to the magnet behaves like a:

a) North pole

b) South pole

c) Never a south pole

d) Permanent north pole

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Lenz’s law follows directly from the principle of conservation of:

a) Mass

b) Charge

c) energy

d) Momentum

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The rule that determines the direction of induced emf in electromagnetic induction is:

a) Lenz’s law

b) Newton’s law

c) Faraday’s law

d) Fleming’s law

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A magnet is dropped into a solenoid whose ends are connected together. While the magnet passes through the solenoid, it falls with an acceleration that is:

a) Equal to g

b) Less than g

c) Greater than g

d) Less than g above the solenoid and greater than g below it

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We covered all the lenz law in Hindi above in this post for free so that you can practice well for the exam.

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