EASY
12th CBSE
IMPORTANT
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What is the value of net force acting on a current-carrying circular loop, placed in a uniform magnetic field? What do you expect about the torque in each case?

Important Questions on Magnetic Effect of Current

EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>Text Based Exercises>Q 54
Write an expression for the torque acting on a current-carrying coil located in a uniform magnetic field.
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>Text Based Exercises>Q 55
Write an expression for the magnitude of the torque acting on a current-carrying coil placed in a uniform radial magnetic field.
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>Text Based Exercises>Q 56
Under what circumstances will a current-carrying loop not rotate in the magnetic field?
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>Text Based Exercises>Q 57
State the principle of working of a moving coil galvanometer.
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>Text Based Exercises>Q 58
What do you mean by the figure of merit of a galvanometer?
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>Text Based Exercises>Q 59
Define the current sensitivity of a moving coil galvanometer and state its SI unit.
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>Text Based Exercises>Q 60
Write two factors by which the current sensitivity of a moving coil galvanometer can be increased.
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>Text Based Exercises>Q 61
Define voltage sensitivity of a moving coil galvanometer. Give its SI unit.