ECAT Pre Computer Science Chapter 14 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 14 Electromagnetism

Try The MCQ's Test For ECAT Physics Chapter 14 Electromagnetism

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ECAT Physics Chapter 14 Electromagnetism

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Question # 1

In the region surrounding a current carrying wire:

Question # 2

Gauss(G) is smaller unit of magnetic induction which is related to tesla(T) as

Question # 3

If the number of turns of a solenoid (carrying a steady current I) is doubled without changing the length of a solenoid, then magnetic field:

Question # 4

For measuring large currents, an ordinary galvanometer cannot be used without proper, then both relates with each other as

Question # 5

'K' is the proportionality constant of force experienced by conductor. What is the value of 'K' in SI units?

Question # 6

The force experienced by a single charge carrier moving with velocity 'v' i magnetic field of strength 'B' is given by

Question # 7

The unit of magnetic flux is

Question # 8

A relationship between Gauses of magnetic induction and Tesla(T) is given by

Question # 9

The current is measured in

Question # 10

The force acting on a charge moving in a magnetic field

Question # 11

The most suitable material for permanent magnet is

Question # 12

When some compass needles are placed on a card board along a circle with the center at the wire, they will

Question # 13

The force exerted on a conductor of length L, carrying current I when placed in a magnetic field B is given by

Question # 14

The pointer of a magnetic compass:

Question # 15

41 The force experience, when proton projected in a magnetic field with velocity 'v' is

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 A relationship between Gauses of magnetic induction and Tesla(T) is given by
A. G 10-3T
B. G = 10-2T
C. G = 10-4T
D. G = 10-1T
2 Method "lamp and scale arrangement" used to measure the
A. angle of deflection
B. restoring torque
C. magnetic field strength
D. current
3 Resistance is measured in
A. volts
B. ampere
C. ohm
D. watt
4 Strength of magnetic field is measured in SI units, in:
A. N
B. N/Am
C. Am/N
D. Nm/A
5 Magnetic flux passing through a element whose vector area makes an angle0º with lines of magnetic force is:
A. BACosѲ

B. Zero
C. BA
D. BA sinѲ
6 Which is modified form of galvanometer
A. potentiometer
B. battery
C. voltmeter
D. slide wire bridge
7 The vector representation of force experience give the direction of
A. magnetic field
B. current
C. length of conductor
D. force
8 The field around a moving charge is called
A. magnetic field
B. conservative field
C. non-conservative field
D. none of these
9 The sources of magnetic field are
A. isolated magnetic poles
B. charges at rest
C. charges in motion
D. none of these
10 The torque per unit twist of coil is called
A. proportionality constant
B. gravitational constant
C. boltzman constant
D. coupling constant

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