Physics Class 8 Kerala Syllabus for Students

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Physics Class 8 Kerala Syllabus. We covered all the Physics Class 8 Kerala Syllabus in this post for free so that you can practice well for the exam.

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Physics Class 8 MCQs from Kerala Syllabus for Students

When a current is passed in a moving coil galvanometer the coil gets deflected because :

The current that must flow through the coil of galvanometer so as to produce a deflection of one division on its scale is called :

A moving coil galvanometer is based upon the principle that a wire carrying a current :

A current carrying circular loop is freely suspended by a long thread. The plane of the loop will point in the direction :

In M.C.G. the coil will be in equilibrium position if :

A soft iron core is placed at the centre of rectangular coil in M.C.G because :

In moving coil galvanometer :

The pole pieces used in moving coil galvanometer should produces a magnetic field :

In any position of coil, the torque acting on the coil is maximum if it is suspended in :

The lamp and scale arrangement of M.C.G is used to measure the :

The magnetic field is made radial in a M.C.G:

Physics Class 8 MCQs from Kerala Syllabus for Students

When a current is passed in a moving coil galvanometer the coil gets deflected because :

(A) The current deflects any thing

(B) Current in the coil produces magnetic field

(D) A couple acts on the coil

Option b - Current in the coil produces magnetic field

The current that must flow through the coil of galvanometer so as to produce a deflection of one division on its scale is called :

(A) Micro-volt sensitivity

(B) Current sensitivity of galvanometer

(D) Both 'A' and 'B'

Option b - Current sensitivity of galvanometer

A moving coil galvanometer is based upon the principle that a wire carrying a current :

(A) Experiences a force in magnetic field

(B) Does not produce any field

(D) Produces heat

Option a - Experiences a force in magnetic field

A current carrying circular loop is freely suspended by a long thread. The plane of the loop will point in the direction :

(A) Wherever left free

(B) North-South

(D) At 45° with the east-west direction

Option c - East-West

In M.C.G. the coil will be in equilibrium position if :

(A) Deflecting torque = restoring torque

(B) Deflecting torque > restoring torque

(D) Deflecting torque is ∞

Option a - Deflecting torque = restoring torque

A soft iron core is placed at the centre of rectangular coil in M.C.G because :

(A) It increases magnetic field

(B) It decreases magnetic field

(D) No effect of iron core

Option a - It increases magnetic field

In moving coil galvanometer :

(A) Magnet is stationary

(B) Coil is stationary

(D) Magnet and coil are stationary

Option a - Magnet is stationary

The pole pieces used in moving coil galvanometer should produces a magnetic field :

(A) Equal to earths magnetic field

(B) Much stronger than earths magnetic field

(D) Any arbitrary magnetic field

Option b - Much stronger than earths magnetic field

In any position of coil, the torque acting on the coil is maximum if it is suspended in :

(A) Uniform magnetic field

(B) Radial magnetic field

(D) Magnetic or electric field

Option b - Radial magnetic field

The lamp and scale arrangement of M.C.G is used to measure the :

(A) Current flowing through the coil

(B) Voltage

(D) Deflection of coil

Option d - Deflection of coil

The magnetic field is made radial in a M.C.G:

(A) To make field stronger

(B) To make field weaker

(D) To reduce its resistance

Option c - To make scale linear

We covered all the Physics Class 8 Kerala Syllabus above in this post for free so that you can practice well for the exam.

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Physics Class 8 MCQs from Kerala Syllabus for Students

When a current is passed in a moving coil galvanometer the coil gets deflected because :

The current that must flow through the coil of galvanometer so as to produce a deflection of one division on its scale is called :

A moving coil galvanometer is based upon the principle that a wire carrying a current :

A current carrying circular loop is freely suspended by a long thread. The plane of the loop will point in the direction :

In M.C.G. the coil will be in equilibrium position if :

A soft iron core is placed at the centre of rectangular coil in M.C.G because :

In moving coil galvanometer :

The pole pieces used in moving coil galvanometer should produces a magnetic field :

In any position of coil, the torque acting on the coil is maximum if it is suspended in :

The lamp and scale arrangement of M.C.G is used to measure the :

The magnetic field is made radial in a M.C.G:

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