EASY
12th West Bengal Board
IMPORTANT
Earn 100

Discuss the working principle of moving coil galvanometer.

Important Questions on Electromagnetism

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.
MEDIUM
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 8 - Electromagnetism>EXERCISE 8>Q 19
What is cyclotron frequency? Find its value and explain its characteristics.
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.

HARD
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 8 - Electromagnetism>EXERCISE 8>Q 21
With the help of a diagram, explain the principle and working of a cyclotron. Show that cyclotron frequency does not depend on the speed of the particles.