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

ICS Part 2 Physics
Chapter 14 Test

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Physics ICS Part 2 Chapter 14 Online MCQ's Test

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Question # 1

The function of three anodes a C.R.O is

Question # 2

If a charge is at rest in a magnetic field then force on charge is

Question # 3

Useful device to measure resistance, current and voltage is an electronic instrument called.

Question # 4

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

Question # 5

Magnetic flux density is measured in

Question # 6

In current carrying long solenoid the magnetic field produced does note depend upon

Question # 7

A sensitive galvanometer is

Question # 8

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

Question # 9

When Ohm meter gives full scale deflection it indicates.

Question # 10

When charge particle enter perpendicular to magnetic field, the path followed by it is:

Question # 11

NIBA =

Question # 12

The conductor experience force, placed in magnetic above:

Question # 13

In CRO, the output waveform of time base generator is

Question # 14

CRO works by deflecting the beam of electron as they pass through

Question # 15

Two parallel wires carrying currents in the opposite direction.

Question # 16

1 tesla =

Question # 17

If current flowing through a solenoid becomes four times, then magnetic field inside becomes.

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ICS Part 2 Physics Chapter 14 Online Test MCQ's

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Sr.# Question Answer
1 If the number of turns become double but length remain same, then magnetic field in the solenoid become.
A. Half
B. Double
C. Remain same
D. Zero
2 A soft iron cylinder is placed  inside coil galvanometer to:
A. Make field circular and strong
B. Make field radial and weak
C. Make field radial and strong
D. All of above
3 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
4 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. Choice 1
B. Choice 2
C. Choice 3
D. Bevm
5 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 o to the field
D. None of these
6 When Ohm meter gives full scale deflection it indicates.
A. Zero resistance
B. Infinite resistance
C. Small resistance
D. Very High resistance
7 Magnetic flux density is measured in
A. Weber
B. Weber/m2
C. Tesla -m
D. Gauss
8 Sensitivity of a galvanometer can be increased by
A. Decreasing the value of torsional couple
B. Decreasing number of turns
C. Decreasing area of plane of coil
D. Decreasing magnetic field
9 When a charge is projected perpendicular to a uniform magnetic field, tis path is
A. Spiral
B. Helix
C. Ellipse
D. Circular
10 The sensitivity of galvanometer directly depends upon
A. Magnetic field
B. Area of coil
C. Both a and b
D. None of a, b, c
11 The Grid 'G' in cathode ray oscilloscope.
A. Accelerate as well as focus electron beam
B. Control no. of electrons beam
C. Is at - Ve potential with respect to cathode.
D. Both d and b 
12 The SI unit of magnetic induction Tesla is equal to
A. N-1 Am
B. NA m2
C. NA-1n2
D. NA-1m-1
13
Question Image
A. Choice 1
B. Choice 2
C. Choice 3
D. None of the above
14 A dot represents the direction of magnetic field.
A. Out of page
B. Into the page
C. Tangent to page
D. Parallels to page
15 For  accurate measurement of current through a circuit, the resistance of ammeter should be
A. Very small
B. Very high
C. Neither small nor high
D. None of the above
16 A photon while passing thorugh a magnetic field are deflected towards:
A. North pole
B. South pole
C. Are ionized
D. None of these
17 In current carrying long solenoid the magnetic field produced does note depend upon
A. The radius of solenoid
B. Number of turns per unit length
C. Current flowing through solenoid
D. All of above

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