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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
ic

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

Sr. # Questions Answers Choice
1 The magnetic field is uniform and stronger
  • A. Outside the solenoid
  • B. Inside the solenoid
  • C. At the central part of the solenoid
  • D. None of these
2 Useful device to measure resistance, current and voltage is an electronic instrument called.
  • A. Volt meter
  • B. Ammeter
  • C. Ohmmeter
  • D. Digital Multimeter
3 The SI Unit of magnetic induction is.
  • A. Weber
  • B. Tesla
  • C. Gauss
  • D. Newton
4 The vector sum of electric force and magnetic force is called:
  • A. Deflecting force
  • B. Lorentz force
  • C. Newton force
  • D. Faraday's force
5 The function of three anodes a C.R.O is
  • A. To accelerate electrons only
  • B. To focus the electrons only
  • C. To control the brightness of spot on screen
  • D. To accelerate and focus the electrons
6 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
7 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.
  • D. Bevm
8 A current carrying conductor experience maximum magnetic force in a uniform magnetic field when it is placed.
  • A. Perpendicular to field
  • B. Parallel to field
  • C. At an angle of 60 <sup>o</sup> to the field
  • D. None of these
9 If an electron is prijected in a magnetic field with velocity V, it will experience a force
  • A.
  • B.
  • C.
  • D.
10 The SI unit of magnetic induction 'B' Tesla is equal to.
  • A. NA-1m-1
  • B. Nam-1
  • C. NA-1 m
  • D. Na2m-1

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