MEDIUM
12th West Bengal Board
IMPORTANT
Earn 100

A rectangular coil carrying a current I is placed in a uniform magnetic field which is perpendicular to its length and parallel to the plane of the coil. Find the torque acting on the coil.

Important Questions on Electromagnetism

EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 8 - Electromagnetism>EXERCISE 8>Q 13
A uniform magnetic field acts on rectangular current loop, being perpendicular to the plane of the loop. Show that it experiences no net force. What is effect of the magnetic force on the loop?
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 8 - Electromagnetism>EXERCISE 8>Q 14
Discuss the working principle of moving coil galvanometer.
MEDIUM
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 8 - Electromagnetism>EXERCISE 8>Q 15
Discuss the difference between an ammeter and a voltmeter. Draw a circuit diagram indicating how they may be used.
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 8 - Electromagnetism>EXERCISE 8>Q 16
Explain how a galvanometer may be converted to a voltmeter and an ammeter.
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 8 - Electromagnetism>EXERCISE 8>Q 17
Write down the force that acts a charged particle moving in a uniform electric and magnetic force. Explain the differences of these two forces.
MEDIUM
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 8 - Electromagnetism>EXERCISE 8>Q 18
Explain how a charged particle will traverse if it is projected in a uniform magnetic field with its velocity perpendicular to the magnetic field.
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 8 - Electromagnetism>EXERCISE 8>Q 18
Explain how a charged particle will traverse if it is projected in a uniform magnetic field with its velocity making an θ angle with the direction of magnetic field.
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 8 - Electromagnetism>EXERCISE 8>Q 20

With the help of a labelled diagram, explain the principle of a moving coil galvanometer.