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

Energy stored per uint volume inside a solenoid is called as

• energy density A
• Electric flux B
• Work C
• Volume charge density D

To convert a galvanometer into an ammeter, we connect with it a

• Shunt resistance A
• Low value parallel B
• Low value by pass resistor C
• All of above D

The conductor experience force, placed in magnetic above:

• Move towards weaker part of field A
• Move towards stronger part of field B
• Remains at rest C
• Move upwards in space D

The sensitivity of galvanometer is given by

• CAN/B A
• C/BAN B
• BAN/C C
• BN/CA D

1 tesla =

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

Two parallel wires carrying currents in the opposite direction.

• Repel each other A
• Attract each other B
• Have no effect upon each other C
• They cancel out their individual magnetic fields. D

The permeability of free space is measured in

• wb A/m A
• Am/wb B
• wb/Am C
• m/wbA D

A charged particle enters in a strong magnetic field its K.E.

• Remain constant A
• Increases B
• Decreases C
• Increases then decreases D

Current passing through the coil of galvanometer

• CO/BAN A
• CoN /BA B
• NAB/CO C
• AN/BCO D

e/m=

• v/Br A
• Br/V B
• VB/r C
• Vr/B D

Lorentz force means the force acting on a particle, which is

• Magnetic force only A
• Electric force only B
• Sum of electric and magnetic force C
• None of these D

In current carrying long solenoid the magnetic field produced does note depend upon

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

Galvanometer is sensitive when C/BAN is

• zero A
• Large B
• small C
• Negative D

• 
  A
• 
  B
• 
  C
• None of the above 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

To convert a galvanometer into a volt meter a high resistance is connected.

• In series A
• In parallel B
• In perpendicular C
• Along tangent D

Magnetic lines of force are.

• Imaginary A
• Real B
• Perpendicular C
• In phase with electric lines of force D