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

Weber is a unit of

Question # 2

The direction of lines of force depends upon the direction of

Question # 3

CRO deflects the beam of

Question # 4

The SI unit of magnetic induction is

Question # 5

The gavanometer constant of a moving coil galvanometer is given by

Question # 6

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

Question # 7

When a suitable small resistance is put in parallel with the galvanometer coil, it is converted into

Question # 8

A solenoid is a coil of wire which is:

Question # 9

The pointer of a magnetic compass:

Question # 10

The magnetic force exerted on an electron moving with velocity 'v' at right angle to the magnetic field is given by

Question # 11

A shunt resistance parallel to the galvanometer is used to convert it into

Question # 12

Magnetic flux passing through a element whose vector area makes an angle0º with lines of magnetic force is:

Question # 13

A long wire wound tightly on a cylindrical core is called:

Question # 14

The unit of magnetic flux is

Question # 15

F = I(L x B) is a

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 The magnetic field in the middle of a solenoid due to current is
A. weak
B. strong and uniform
C. none-uniform
D. zero
2 Gauss(G) is smaller unit of magnetic induction which is related to tesla(T) as
A. IT = 10-4 G
B. IT = 105G
C. IT = 103G
D. IT = 104G
3 A charged particle moving at right angle to the magnetic field will experience
A. minimum force
B. maximum force
C. zero
D. moderate force
4 A current carrying conductor is placed at right angle to the magnetic field. The magnetic force experienced by the conductor is
A. minimum
B. maximum
C. zero
D. none of these
5 The strength of magnetic field around the current conductor is
A. Smaller near the conductor
B. Greater near the conductor
C. Greater at the large distance from the conductor
D. Constant near and away from the conductor
6 Weber is a unit of
A. magnetic flux
B. magnetic filed intensity
C. magnetic induction
D. magnetic flux density
7 Lorentz force is defined as
A. q(E + V x B)
B. q(E x B + V)
C. q(E x V + B)
D. q(E x B)
8 Total number of turns on 0.15 m length solenoid is 300. the value of n is:
A. Greater than 300
B. Smaller than 300
C. Equal to 300
D. Any of (A) or (B)
9 'K' is the proportionality constant of force experienced by conductor. What is the value of 'K' in SI units?
A. 0
B. 1
C. 0.5
D. -1
10 The SI unit of flux density is.
A. Tesla
B. Weber
C. Gaun
D. Weber/meter

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