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

The magnetic flux will be max, For an angle of:

• 0° A
• 60° B
• 90° C
• 180° 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 force on a charge particle moving parallel to magnetic field is:

• Maximum A
• Minimum B
• Zero C
• None of these D

The sensitivity of galvanometer directly depends upon

• Magnetic field A
• Area of coil B
• Both a and b C
• None of a, b, c D

A photon while passing thorugh a magnetic field are deflected towards:

• North pole A
• South pole B
• Are ionized C
• None of these D

The SI Unit of magnetic induction is.

• Weber A
• Tesla B
• Gauss C
• Newton D

The torque in the coil can be increased by increasing:

• No. of turns A
• Current and magnetic field B
• Area of coil C
• All of the above D

Ampere's law is applicable to:

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

One weber is equal to:

• N.A ²/m A
• N.m²/A B
• N.A/m C
• N.m/A D

A device used for detection of current is called.

• Inductor A
• Voltmeter B
• Capacitor C
• Galvanometer D

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

The effective way to increase the sensitivity of moving coil galvanometer is.

• Increase the area of coil A
• Increase the number of turn B
• Increase the magnetic field C
• Increase the value of constant C D

An electron moves at 2 x 10² m/sec perpendicular to magnetic field of 2T what is the magnitude of magnetic force:

• 1 x 10^-6 N A
• 6.4 x 10^-17 N B
• 3.6 x 10^-24 N C
• 4 x 10⁶ N 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

1 tesla =

• 1 MAm^-1 A
• 1NA^-1m B
• 1NA^-1m^-1 C
• None of above D

e/m=

• v/Br A
• Br/V B
• VB/r C
• Vr/B D

The SI unit of flux density is.

• NA-1 m2 A
• NA-1 m-1 B
• NAm-1 C
• NA-1 m D