Galvanometer in Hindi

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

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Mock test on Galvanometer for Students

The principle behind a moving coil galvanometer (MCG) is:

a) Heating effect of current

b) Chemical effect of current

c) Magnetic effect of current

d) Thermoelectric effect

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If the deflection in a moving coil galvanometer is halved when shunted by a 40 Ω resistor, the resistance of the galvanometer is:

a) 15 Ω

b) 20 Ω

c) 80 Ω

d) 40 Ω

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The coil in a moving coil galvanometer deflects when current passes through it because:

a) Current deflects any object

b) The current in the coil produces a magnetic field

c) The current in the coil produces an Electric Field

d) A couple acts on the coil

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The current required to produce a deflection of one division on a galvanometer’s scale is called:

a) Micro-volt sensitivity

b) Current sensitivity of the galvanometer

c) Charge sensitivity of the galvanometer

d) Both a and b

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In a moving coil galvanometer:

a) The magnet is stationary

b) The coil is stationary

c) Both magnet and coil move

d) Both magnet and coil are stationary

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The magnetic field in a moving coil galvanometer is made radial:

a) To make the field stronger

b) To make the field weaker

c) To make the scale linear

d) To reduce resistance

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The pole pieces in a moving coil galvanometer should create a magnetic field that is:

a) Equal to Earth’s magnetic field

b) Much stronger than Earth’s magnetic field

c) Much weaker than Earth’s magnetic field

d) Any arbitrary field

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A soft iron core is placed inside the rectangular coil of an MCG because:

a) It strengthens the magnetic field

b) It weakens the magnetic field

c) It allows more current through the coil

d) It has no effect

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

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