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

Magnetism is related to:

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

Which one has the least resistance.

• Galvanometer A
• Ammeter B
• Ohm meter C
• Volta meter D

Current passing through the coil of galvanometer

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

The acceleration of an electron of mass m and charge e, moving with uniform speed v at right angles to a magnetic field of flux density B, is given by

• 
  A
• 
  B
• 
  C
• Bevm 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

Galvanometer is sensitive when C/BAN is

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

Torque on a current carrying coil

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

Magnetic induction can be measured in units of.

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

A device used for detection of current is called.

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

The SI unit of magnetic permeability is.

• WbA-1m-1 A
• Wbm-2 B
• WbmA-1 C
• WbAm-1 D

The force on a charge particle moving parallel to magnetic field is:

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

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

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

Magnetic lines of force are.

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