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14th Chapter

### 12th Class Physics Chapter 14 Test

Here you can prepare 12th Class Physics Chapter 14 Electromagnetism Test. Click the button for 100% free full practice test.

## 2nd Year Physics Chapter 14 Online MCQ Test for 12th Class Physics Chapter 14 (Electromagnetism)

This online test contains MCQs about following topics:

- Magnetic Field Due to Current in a Long Straight Wire
- Force on a Current Carrying Conductor in a Uniform B Field
- Magnetic Flux and Flux Density
- Ampere's Law and Determination of Flux Density B
- Force on a Moving Charge in a Magnetic Field
- Motion of Charged Particle in an E and B Field
- Determination of e/m of an Electron
- Cathode Ray Oscilloscope
- Torque on a Current Carrying Coil
- Galvanometer
- AVO meter - Multimeter

Ics Part 2 Physics Chapter 14 Test

### 2nd Year Physics Chapter 14 Online MCQ Test for 12th Class Physics Chapter 14 (Electromagnetism)

Sr. # Questions Answers Choice
1 When a charge is projected perpendicular to a uniform magnetic field, tis path is
• A. Spiral
• B. Helix
• C. Ellipse
• D. Circular
2 Brightness of screen of CRO controlled by
• A. Grid
• B. Filament
• C. Anode
• D. Cathode
3 In order to increase sensitivity of galvanometer the value of C may be
• A. Increase
• B. Decrease
• C. Neither increase nor decrease
• D. Remain same
4 The galvanometer can be made sensitive by making the factor BAN/C
• A. Large
• B. Small
• C. Constant
• D. Zero
5 The effective way to increase the sensitivity of moving coil galvanometer is.
• A. Increase the area of coil
• B. Increase the number of turn
• C. Increase the magnetic field
• D. Increase the value of constant C
6 Magnetic flux density at a point due to current carrying coil is determined by
• A. Ampere's law
• B. Faraday's law
• C. Lenz's law
• D. Gauss's law
7 Torque on a current carrying coil
• A. τ=IBA cos
• B. <span style="font-size: 13.63636302947998px;">τ = ILB sin</span>α
• C. τ = IBA sinα
• D. τ = ILBcosα
8 The e/m of a neutron is
• A. Less than electron
• B. The same as electron
• C. Zero
• D. Greater than election
9 A Current flowing towards the reader is denoted by.
• A. Cross
• B. a bracket
• C. A dot
• D. Positive sign
10 An electron enters the magnetic field at right angle from left, B is into paper. The electron will be deflected.
• A. upward
• B. To ward right
• C. Down ward
• D. Toward left

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