R P Goyal and S P Tripathi Solutions for Chapter: Electro-Magnetism, Exercise 2: EXERCISE-10(B)
R P Goyal Physics Solutions for Exercise - R P Goyal and S P Tripathi Solutions for Chapter: Electro-Magnetism, Exercise 2: EXERCISE-10(B)
Attempt the practice questions on Chapter 10: Electro-Magnetism, Exercise 2: EXERCISE-10(B) with hints and solutions to strengthen your understanding. Selina Icse Concise Physics For Class 10 solutions are prepared by Experienced Embibe Experts.
Questions from R P Goyal and S P Tripathi Solutions for Chapter: Electro-Magnetism, Exercise 2: EXERCISE-10(B) with Hints & Solutions
Name three factors on which the magnitude of force on a current carrying conductor placed in a magnetic field depends and state how does the force depend on the factors stated by you.
State condition when magnitude of force on a current carrying conductor placed in a magnetic field is zero.
State condition when magnitude of force on a current carrying conductor placed in a magnetic field is maximum.
How will the direction of force be changed, if the current is reversed in the conductor placed in a magnetic field?
A flat coil ABCD is freely suspended between the pole pieces of U-Shaped permanent magnet with the plane of coil parallel to the magnetic field.
(a) What happens when a current is passed in the coil?
(b) when will the coil come to rest?
(c) when will the couple acting on the coil be (i) maximum (ii) minimum?
(d) Name an instrument which makes use of the principle stated above.
Draw a labelled diagram of a d.c. motor.
State two ways by which the speed of rotation of an electric motor can be increased.
In an electric motor, the energy transformation is :
