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

Cathode ray oscilloscope works by deflecting a beams

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

A galvanometer is an electrical instrument used to

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

A dot represents the direction of magnetic field.

• Out of page A
• Into the page B
• Tangent to page C
• Parallels to page D

A battery is used in

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

The magnetic force is simply a

• Reflecting force A
• Deflecting force B
• Restoring force C
• Gravitational force D

Grid in cathode ray oscilloscope controls.

• Number of electron A
• Temperature of filament B
• Frequency of electron C
• Energy of electrons D

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

The Weber is unit of measure of:

• Conductance A
• Electric current B
• Magnitic flux C
• Electric flux D

Which one has the least resistance.

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

If the length and number of turns of a solenoid are doubled strength of magnetic field with.

• Be doubled A
• Become half B
• Not change C
• Be four time D

The permeability of free space is measured in

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

The magnetic field  inside solenoid is given:

• μ_∘nI² A
• μ_∘nI B
• μ_∘n/1² C
• μ_∘I/n 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

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

To convert a galvanometer into a volt meter a high resistance is connected.

• In series A
• In parallel B
• In perpendicular C
• Along tangent D

An AVO meter can also be called as.

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