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

___ is correct relation.

• IT = 10^-4 G A
• IT = 10⁴ G B
• IT = 10² G C
• IT = 10 ^-2 G D

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

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

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

A battery is used in

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

When Ohm meter gives full scale deflection it indicates.

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

A galvanometer is an electrical instrument used to

• Measure resistance A
• Measure voltage B
• Detect passage of current  C
• None of these D

For  accurate measurement of current through a circuit, the resistance of ammeter should be

• Very small A
• Very high B
• Neither small nor high C
• None of the above D

Cathode ray oscilloscope works by deflecting a beams

• Neutrons A
• Protons B
• Electrons C
• Positron D

If an electron is prijected in a magnetic field with velocity V, it will experience a force

• 
  A
• 
  B
• 
  C
• 
  D

The anodes in cathode ray oscilloscope.

• Control number of waves A
• Control brightness of sept formed B
• Accelerate as well as focus beam C
• Negative potential w.r.t to chithode D

The name of the scientist who noted that a compass needle was deflected when placed near the current carrying conductor

• Henry A
• Faraday B
• Coloumb C
• Oersted 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

One weber is equal to:

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

Ampere's law is applicable to:

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

The SI unit of E is NC-1 and that of B is Na-1 m-1 then the unit of E/B is.

• ms-2 A
• ms B
• ms^-1 C
• m-1s-1 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