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

The e/m of a neutron is

• Less than electron A
• The same as electron B
• Zero C
• Greater than election D

Current passing through the coil of galvanometer

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

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

Force on a charged particle is zero when projected at angle with magnetic field.

• 0 ^o A
• 90^o B
• 180^o C
• 270^o 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

The value of e/m is smallest for

• Proton A
• Electron B
• Beta particle C
• Positron D

The unit of Magnetic flux is called.

• weber A
• weber/m² B
• NM^-1A^-1 C
• None of above D

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

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

Which one of the following resistance is used to convert a Galvanometer into an ammeter.

• High resistance A
• Low resistance in series with galvanometer B
• Shunt C
• High resistance in series with galvanometer 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

The vector sum of electric force and magnetic force is called:

• Deflecting force A
• Lorentz force B
• Newton force C
• Faraday's force D

The galvanometer can be made sensitive by making the factor BAN/C

• Large A
• Small B
• Constant C
• Zero D

An AVO meter can also be called as.

• Digital multimeter A
• Digital voltmeter B
• Digital ammeter C
• Digital ohm meter 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

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

The sensitivity of galvanometer directly depends upon

• Magnetic field A
• Area of coil B
• Both a and b C
• None of a, b, c 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