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
• 
  B
• 
  C
• None of the above D

Sensitivity of a galvanometer can be increased by

• Decreasing the value of torsional couple A
• Decreasing number of turns B
• Decreasing area of plane of coil C
• Decreasing magnetic field D

When Ohm meter gives full scale deflection it indicates.

• Zero resistance A
• Infinite resistance B
• Small resistance C
• Very High resistance D

A soft iron cylinder is placed  inside coil galvanometer to:

• Make field circular and strong A
• Make field radial and weak B
• Make field radial and strong C
• All of above D

If a charge is at rest in a magnetic field then force on charge is

• Zero A
• Double B
• One fourth C
• Four times 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

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

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

For a current carrying solenoid the term 'n' has unit as.

• No unit A
• m^-1 B
• m^-2 C
• m-3 D

A moving charge is surrounded by:

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

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

• Ammeter A
• Voltammeter B
• Ohmmeter C
• Multimeter 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

The dimensions of magnetic flux are

• M¹L^-2T¹A¹ A
• MLT^-2A^-1 B
• ML²T²A^-1 C
• ML²T^-2A^-1 D

The permeability of free space is measured in

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

Energy stored per uint volume inside a solenoid is called as

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

The unit of magnetic induction B is

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

A battery is used in

• ohmmeter A
• Ammeter B
• Galvanometer C
• Voltemeter D