MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Earn 100

Define retentivity and coercivity. Draw the hysteresis curve for soft iron and steel. What do you infer from these curves?

Important Questions on Magnetism and Matter

EASY
12th Andhra Pradesh Board
IMPORTANT
Intermediate Second Year Physics>Chapter 8 - Magnetism and Matter>MODEL QUESTIONS (IPE PATTERN)>Q 6
If B1 is the magnetic field produced at the centre of a circular coil of one turn of length L carrying current I, then what is the magnetic field at the centre of the same coil which is made into 10 turns.
EASY
12th Andhra Pradesh Board
IMPORTANT
Intermediate Second Year Physics>Chapter 8 - Magnetism and Matter>MODEL QUESTIONS (IPE PATTERN)>Q 7
If the number of turns of a solenoid is doubled, keeping the other factors constant, how does the magnetic field at the axis of the solenoid change?
HARD
12th Andhra Pradesh Board
IMPORTANT
Intermediate Second Year Physics>Chapter 8 - Magnetism and Matter>MODEL QUESTIONS (IPE PATTERN)>Q 1
Derive an expression for the magnetic field at a point on the axis of a current carrying circular loop.
MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Intermediate Second Year Physics>Chapter 8 - Magnetism and Matter>MODEL QUESTIONS (IPE PATTERN)>Q 2
Prove that a bar magnet and a solenoid produce similar fields.
MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Intermediate Second Year Physics>Chapter 8 - Magnetism and Matter>MODEL QUESTIONS (IPE PATTERN)>Q 3
A small magnetic needle is set into oscillations in a magnetic field B. Obtain an expression for the time period of oscillation.
EASY
12th Andhra Pradesh Board
IMPORTANT
Intermediate Second Year Physics>Chapter 8 - Magnetism and Matter>MODEL QUESTIONS (IPE PATTERN)>Q 4
A bar magnet held horizontally is set into angular oscillations in the Earth's magnetic field. It has time period T1 and T2 at two places, where angle of dip are θ1 and θ2 respectively. Deduce an expression for the ratio of the resultant magnetic fields at the two places.
EASY
12th Andhra Pradesh Board
IMPORTANT
Intermediate Second Year Physics>Chapter 8 - Magnetism and Matter>MODEL QUESTIONS (IPE PATTERN)>Q 5
Define magnetic susceptibility of a material. Name two elements-one having positive susceptibility and other having negative susceptibility.
EASY
12th Andhra Pradesh Board
IMPORTANT
Intermediate Second Year Physics>Chapter 8 - Magnetism and Matter>MODEL QUESTIONS (IPE PATTERN)>Q 6
State Gauss's law for magnetism.