In a moving coil galvanometer a radial m...

In a moving coil galvanometer a radial magnetic field is obtained with concave magnetic poles, to have

uniform magnetic field

the plane of coil is parallel to the field in any orientation of coil

a non-linear scale for galvanometer

both 1 and 2

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(A) : Earth's magnetic field does not affect the working of a moving coil galvanometer. (R) : The earth's magnetic field is quite weak as compared to magnetic field produced in the moving coil galvanometer.

Draw the magnetic field lines in uniform magnetic field.

(A) : The energy of charged particle moving in a uniform magnetic field does not change. (R) : Work done by magnetic field on the charge is zero.

A 10 Omega coil of 180 turns and diameter 4 cm is placed in a uniform magnetic field so that the magnetic flux is maximum through the coil's cross-sectional area. When the field is suddenly removed a charge of 360 muC flows through a 618 Omega galvanometer connected to the coil, find the magnetic field.

(A) : Working of a moving coil galvanometer is based on heating effect of current. (R) : On heating, the coil starts to rotate in moving coil galvanometer because fo torque.

(A) : If an electron is not deflected while passing through a certain region of space, then only possibility is that there is no magnetic field in this region (R) : Force on an electron moving in a magnetic field is inversely proportional to the magnetic field applied.

What is the principle of a moving coil galvanometer ?

AAKASH SERIES-MOVING CHARGES AND MAGNETISM-EXERCISE-IA

The best method to increase the sensitivity of a moving coil galvanome...
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A conducting wire of given length is used to prepare the 'coil' of a m...
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In a moving coil galvanometer a radial magnetic field is obtained with...
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When a current is passed in moving coil galvanometer, the coil gets de...
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The current that must flow through a galvanometer to have a deflection...
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To double the torque acting on a coil of n-turns, when placed in a mag...
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A tangent galvanometer shows no deflection when a current is passed th...
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A) Tangent galvanometer is a moving magnet type galvanometer B) Tang...
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The plane of the coil of tangent galvanometer is kept parallel to magn...
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A) In Tangent galvanometer the circular frame is rotated until the pla...
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In case of Tangent galvanometer A) The galvanometer reduction factor...
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If 'r' is the radius and 'n' is number of turns of coil of a T.G, then...
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A rectangular loop carrying a current i(1), is situated near a long st...
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When a current loop is placed in a uniform magnetic field i) barF(R)...
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A flat , rectangular coil, carrying current, is placed beside a long s...
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A moving coil galvanometer can be converted into
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The correct statement among the following is:
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Statement A : The resistance of ideal ammeter is zero Statement B : ...
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Statement A: Ammeter is a low resistance galvanometer Statement B: V...
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To increase the range of a voltmeter we need to connect a suitable:
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