Embibe Experts Solutions for Chapter: Magnetic Effects of Current and Magnetism, Exercise 2: Level 2

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Embibe Experts Physics Solutions for Exercise - Embibe Experts Solutions for Chapter: Magnetic Effects of Current and Magnetism, Exercise 2: Level 2

Attempt the practice questions on Chapter 15: Magnetic Effects of Current and Magnetism, Exercise 2: Level 2 with hints and solutions to strengthen your understanding. Physics Crash Course JEE Main solutions are prepared by Experienced Embibe Experts.

Questions from Embibe Experts Solutions for Chapter: Magnetic Effects of Current and Magnetism, Exercise 2: Level 2 with Hints & Solutions

EASY
JEE Main
IMPORTANT

Magnetic lines of force due to a bar magnet do not intersect, because

EASY
JEE Main
IMPORTANT

If a current is passed through a spring, then the spring will

HARD
JEE Main
IMPORTANT

A current I flows along a wire frame having the shape shown total of six straight wires of length L each, soldered to form two perpendicular square shapes. The magnetic moment of this wire frame is xIL2. The value of x×2 is

Question Image

EASY
JEE Main
IMPORTANT

On rotating the dip circle plane from true position by 60°, the dip becomes tan-12. Then the original dip at that place was πn. Find the value of n.

MEDIUM
JEE Main
IMPORTANT

The coercivity of a magnet is 3×103Am-1. What current (in Amp) should be passed through solenoid of length 10 cm and number of turns 50 so that the magnet is demagnetised when inserted in it?

EASY
JEE Main
IMPORTANT

The temperature at which a ferromagnetic material becomes paramagnetic is called a

EASY
JEE Main
IMPORTANT

Permeability is defined as the ratio between

EASY
JEE Main
IMPORTANT

A solenoid has core of a material with relative permeability 501 and its windings carry a current of 1 A. The number of turns of the solenoid is 500 m-1. The magnetisation of the material is