Second Year Physics Chapter 14 Online MCQ Test for 2nd Year Physics Chapter 14 Electromagnetism Preparation

The unit of magnetic induction is:

• Tesla  A
• Weber B
• Weber metre C
• NAm^-1 D

If a low resistance is connected parallel to a galvanometer then galvanometer is converted.

• Ammeter A
• Voltammeter B
• Ohmmeter C
• Multimeter D

In order to increase sensitivity of galvanometer the value of C may be

• Increase A
• Decrease B
• Neither increase nor decrease C
• Remain same D

If the length and number of turns of a solenoid are doubled strength of magnetic field with.

• Be doubled A
• Become half B
• Not change C
• Be four time D

• 
  A
• 
  B
• 
  C
• None of the above D

CRO works by deflecting the beam of electron as they pass through

• Uniform magnetic field A
• Uniform electric field between two sets of parallel plates B
• Non-uniform magnetic field C
• None of these D

Write the SI unit of magnetic flux.

• Tesla A
• Weber B
• Weber m-2 C
• Tesla m2 D

Ampere's law is applicable to:

• Circular path A
• Rectangular path B
• To any closed path C
• Nonwe of these D

Shunt resistance is

• Low resistance A
• Zero resistance B
• High resistance C
• Impedance D

Which one of the following resistance is used to convert a Galvanometer into an ammeter.

• High resistance A
• Low resistance in series with galvanometer B
• Shunt C
• High resistance in series with galvanometer D

Torque on a current carrying coil

• τ=IBA cos A
• τ = ILB sinα B
• τ = IBA sinα C
• τ = ILBcosα D

In current carrying long solenoid the magnetic field produced does not depend upon.

• The radius of solenoid A
• Number of turns per unit length B
• Current flowing through solenoid C
• All of the above D

An electron enters the magnetic field at right angle from left, B is into paper. The electron will be deflected.

• upward A
• To ward right B
• Down ward C
• Toward left D

Which one has the least resistance.

• Galvanometer A
• Ammeter B
• Ohm meter C
• Volta meter D

If the number of turns become double but length remain same, then magnetic field in the solenoid become.

• Half A
• Double B
• Remain same C
• Zero D

A charged particle having charge 'q' is moving at right angle to magnetic field. The quantity which varies is.

• Speed A
• Kinetic energy B
• Path of motion C
• angular velocity D

The unit of magnetic induction B is

• Coulomb A
• Ampere B
• Coulomb/ampere C
• Weber/m² D