ECAT Pre Engineering Physics Chapter 14 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 14 Electromagnetism

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

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Physics ECAT Pre Engineering Chapter 14 Electromagnetism

00:00
Question # 1

magnetic field is a:

Question # 2

When current passes through a solenoid coil, it behaves like a

Question # 3

Flurescent screen is a screen where visible spot

Question # 4

A full-scale deflection is obtained in a galvanometer with a current of few

Question # 5

At a given instant, a photon moves in +x direction in a region where there magnetic field in -z direction. The magnetic force on the proton will be the:

Question # 6

A voltmeter is used to measure the

Question # 7

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

Question # 8

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

Question # 9

A current carrying conductor sets up its own:

Question # 10

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

Question # 11

Weber is a unit of

Question # 12

Avo-meter is used of measure the

Question # 13

The unit of flux density is also given by

Question # 14

The SI unit of magnetic induction is

Question # 15

Resistance is measured in

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 A long wire wound tightly on a cylindrical core is called:
A. Potentiometer
B. Solenoid
C. Toroid
D. Wheat and stone bridge
2 The magnetic field inside a solenoid can be increased by:
A. Increasing n
B. Decreasing I
C. Increasing I
D. By using iron core within solenoid
3 The current is measured in
A. volts
B. watt
C. ampere
D. ohm
4 The SI unit of magnetic flux is.
A. weber
B. Nm-1A-1
C. tesla
D. gauss
5 The unit of magnetic flux is
A. Weber-m2
B. Weber-m3
C. Henry
D. Weber
6 Which is modified form of galvanometer
A. potentiometer
B. battery
C. voltmeter
D. slide wire bridge
7 A beam of electrons is provided by an
A. electron gun
B. Suppray
C. Injection
D. None of these
8 The force experienced by charged particle is maximum, if it moves
A. parallel to magnetic field
B. perpendicular to magnetic field
C. opposite to the magnetic field
D. none of these
9 When some compass needles are placed on a card board along a circle with the center at the wire, they will
A.

Point the direction of N-S

B.

Set themselves tangential to the circle

C.

Point in the direction of E-W

D.

None of these
10 If the value of galvanometer constant k = C/BAN is made small, the galvanometer can be made
A. Sensitive
B. Accurate
C. Stable
D. None of these

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