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

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Question # 1

The force acting on a charge moving in a magnetic field

Question # 2

NmA-1 is commonly called:

Question # 3

A galvanometer in which the coil comes to rest quickly after the current passed through it, or the current stopped form flowing through it, is called

Question # 4

The current sensitivity of the galvanometer is

Question # 5

The voltage increases linearly with

Question # 6

(CRO) Cathode ray oscilloscope is a device used for high speed

Question # 7

The SI unit of flux density is.

Question # 8

When the charged particle is projected at right angles to the field, then experienced by it will be:

Question # 9

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

Question # 10

In a moving coil galvanometer, the deflecting couple depends upon

Question # 11

How many number of anodes used in electron gun

Question # 12

The most suitable material for permanent magnet is

Question # 13

The current in microamperes required to produce one millimeter deflection on a scale placed one meter away from the mirror of the galvanometer, defined the sensitivity of

Question # 14

Weber is a unit of

Question # 15

The SI unit of magnetic induction is

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 Ammeter is used to measure
A. voltage
B. resistance
C. voltage and current
D. current
2 In order to make a voltmeter, high resistance is connected with galvanometer, in
A. perpendicular
B. may be paralled or pendicular
C. series
D. none of these
3 The SI unit of magnetic flux is
A. NmA-2
B. NmA-1
C. NAm-1
D. Nm2A-1
4 The gavanometer constant of a moving coil galvanometer is given by
A. K=BAN/C
B. K=BN/CA
C. K=NAC/B
D. K=C/BAN
5 The unit of flux density is also given by
A. Weber/m2or Wb . m-2
B. Weber/mor Wb . m
C. Weber/mor Wb . m-1
D. Weber or Wb
6 When the charged particle is projected at right angles to the field, then experienced by it will be:
A. Maximum
B. Zero
C. qvB
D. Both (A) and (B)
7 To convert galvanometer into ammeter we connect
A. small resistance in parallel with galvanometer
B. small resistance in series with galvanometer
C. high resistance in series with galvanometer
D. high resistance in parallel with galvanometer
8 magnetic field is a:
A.

Vector quantity

B.

Scalar quantity

C.

Scalar as well as scalar quantity

D.

Any of (A) or (B)
9 The unit of magnetic flux is
A. Weber-m2
B. Weber-m3
C. Henry
D. Weber
10 A resistance used in voltmeter is called
A. shunt resistance
B. high resistance
C. low resistance
D. zero resistance

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