ECAT Pre Computer Science Chapter 15 MCQ Test With Answer

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ECAT Physics Chapter 15 Important MCQ's

Sr.#	Question	Answer
1	In a coil current change from 2 to 4 A in .05 s. If the average induced emf is 8V then coefficient of self-inductance is:	A. 0.2 henry B. 0.1 henry C. 0.8 henry D. 0.04 henry
2	The Phenomenon of generation of induced emf is called	A. Electrostatic induction B. Magnetic induction C. Electromagnetic induction D. Electric induction
3	An emf is set up in a conductor when it	A. Is kept in a magnetic field B. Is kept in an electric field C. Moves across a magnetic field D. Both A and B
4	Split rings act as	A. Vibrator B. Resistor C. Motor D. Commulator
5	The induced current in the loop can be increased by:	A. Using a stronger magnetic field B. Moving the loop faster C. Replacing the loop by a coil of many turns D. All above
6	In magnet-coil experiment, emf can be produced by:	A. Keeping the coil stationary and moving the magnet B. Keeping the magnet stationary and moving the coil C. Relative motion of the loop and magnet D. Any one of above
7	The change of magnetic flux through a circuit will produce	A. Magnetic Field B. Electric Field C. emf D. a.c
8	The magnitude of induced emf depends upon the:	A. Rate of decrease of magnetic field B. Rate of change of magnetic field C. Rate of increase of magnetic flux D. Constancy of magnetic field
9	The induced current in a conductor depends upon:	A. Resistance of the loop B. Speed with which the conductor moves C. Any of these D. Both A and B
10	Back emf is produced due to	A. Self induction B. Mutual induction C. A.C D. Lenz's law

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ECAT Pre Computer Science Chapter 15 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 15 Electromagnetic Induction

ECAT Physics Chapter 15 Electromagnetic Induction

The magnitude of induced emf depends upon the

The induced emf in a coil is proportional to:

An induced current can be produced by

The induced current in the loop can be Increased by

In the equilibrium state, the potential difference between two ends of the conductor moving across a magnetic field is called:

A metal road of length 1m is moving at a speed of 1 ms-1In a direction making angle of 30º with 0.5 Y magnetic field. The emf produced in the rod is:

A device which converts Electrical energy into mechanical energy is called as

The change of magnetic flux through a circuit will produce

When the conductor moved across a magnetic field:

Referring to above figure, current in the coil P grows from zero to its maximum value

The unit of induced emf is:

Referring to above figure, current in coil P falls from its maximum value to zero

The magnitude of induced emf depends upon the:

When a conductoris moved across a magnetic field:

An induced current can be produced by:

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Top Scorers Of ECAT Physics Chapter 15 Electromagnetic Induction MCQ`s Test

ECAT Physics Chapter 15 Important MCQ's

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A metal road of length 1m is moving at a speed of 1 ms^-1In a direction making angle of 30º with 0.5 Y magnetic field. The emf produced in the rod is: