Objective Question Papers
Chapter 6: ELECTROMAGNETIC INDUCTION
Que 1:Which of the following factors is the induced charge in an electromagnetic induction independent of?
Que 2:Which of the following states that an emf is induced whenever there is a change in the magnetic field linked with electric circuits?
Que 3:Which of the following gives the polarity of the induced emf?
Que 4:Electrical Inertia is the measure of
Que 5:Which of the following laws is the consequence of the Law of conservation of energy?
Que 6:Which of the following apparatus construction uses electromagnetic induction?
Que 7:Which of the following factors is the self inductance associated with a coil is independent of?
Que 8:Which of the following rules is used to identify the direction of the current induced in a wire moving in a magnetic field?
Que 9:Which of the following statements is true?
Que 10:The north pole of a long bar magnet was pushed slowly into a short solenoid connected to a short galvanometer. The magnet was held stationary for a few seconds with the north pole in the middle of the solenoid and then withdrawn rapidly. The maximum deflection of the galvanometer was observed when the magnet was
Que 11:Faraday’s laws are consequence of the conservation of
Que 12:Two identical coaxial coils P and Q carrying equal amount of current in the same direction are brought nearer. The current in
Que 13:Direction of current induced in a wire moving in a magnetic field is found using
Que 14:A solenoid is connected to a battery so that a steady current flows through it. If an iron core is inserted into the solenoid, the current will
Que 15:Which of the following statements is not correct?
Que 16:There is a uniform magnetic field directed perpendicular and into the plane of the paper. An irregular shaped conducting loop is slowly changing into a circular loop in the plane of the paper. Then
Que 17:The north pole of a bar magnet is rapidly introduced into a solenoid at one end (say A). Which of the following statements correctly depicts the phenomenon taking place?
Que 18:A metal plate can be heated by
Que 19: Identify the wrong statement.
Que 20:Which of the following does not use the application of eddy current?