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

When charge particle enter perpendicular to magnetic field, the path followed by it is:

• A helix A
• A circle B
• Straight line C
• Ellipes 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 is:

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

The sum of electric and magnetic force is called.

• Maxwell force A
• Lorentz force B
• Newton's force C
• Centripetal force D

A moving charge is surrounded by:

• 2 Fields A
• 3 Fields B
• 4 Fields C
• None of these D

For  accurate measurement of current through a circuit, the resistance of ammeter should be

• Very small A
• Very high B
• Neither small nor high C
• None of the above D

The unit of permiability of free space is:

• T.m/A A
• T.m²/A B
• T.m/A² C
• None of these D

The field is strong and uniform.

• Inside the solenoid A
• Surrounding of solenoid externally B
• Perpendicular to solenoid C
• All of above D

The sensitivity of Galvanometer can be increased by:

• Increasing C/BAN factor A
• Decreasing C/BAN factor B
• Increasing angle θ C
• All of above D

A voltmeter is always connected in

• Parallel A
• Series B
• Perpendicular C
• Straight line D

An ammeter is an electrical instrument which is used to measure.

• Voltage A
• Current B
• Resistance C
• None D

Magnetic flux density at a point due to current carrying coil is determined by

• Ampere's law A
• Faraday's law B
• Lenz's law C
• Gauss's law D

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

The function of three anodes a C.R.O is

• To accelerate electrons only A
• To focus the electrons only B
• To control the brightness of spot on screen C
• To accelerate and focus the electrons D

Torque is produced in a current carrying coil when it is placed in a

• Magnetic field A
• Electric field B
• Gravitational field C
• Nuclear field D

The magnetic field is uniform and stronger

• Outside the solenoid A
• Inside the solenoid B
• At the central part of the solenoid C
• None of these D

If an electron is prijected in a magnetic field with velocity V, it will experience a force

• 
  A
• 
  B
• 
  C
• 
  D