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

In order to measure potential difference voltmeter is always connected in.

• Series A
• Parallel B
• Both a and b C
• Neither in series nor in parallel D

Magnetism is related to:

• Stationary charges A
• Moving charges B
• Stationary & Movingcharges C
• Law of motion 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

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

A positive charge is moving towards an observer, The direction of magnetic induction will be.

• Toward right A
• Anti clockwise B
• Clockwise C
• Toward left 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

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

Brightness of screen of CRO controlled by

• Grid A
• Filament B
• Anode C
• Cathode 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 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

The field is strong and uniform.

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

μ_∘ (Ampere's constant) has value. 

• 4πx10^-7 WbA^-1m^-1 A
• 4πx10^-17 Wbm² B
• 4πx10⁷ WbA^-1m^-1 C
• 4πx10-27 Wb/m² D

Torque on a current carrying coil

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

A moving charge is surrounded by:

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

Magnetic induction can be measured in units of.

• Tesla A
• Gauss B
• Weber/m2 C
• All of the above D

If current flowing through a solenoid becomes four times, then magnetic field inside becomes.

• two times A
• three times B
• four times C
• Half D