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

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 # 2

The angle of deflection of coil can be measured by the

Question # 3

Centripetal force for electron is given by

Question # 4

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 # 5

The voltage increases linearly with

Question # 6

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

Question # 7

A charged particle moving at right angle to the magnetic field will experience

Question # 8

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

Question # 9

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

Question # 10

A voltmeter is used to measure the

Question # 11

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

Question # 12

Method "lamp and scale arrangement" used to measure the

Question # 13

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

Question # 14

The CRO is used for displaying the waveform of a given

Question # 15

The SI unit of magnetic induction is

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 When a suitable small resistance is put in parallel with the galvanometer coil, it is converted into
A. Voltmeter
B. Avometer
C. Ammeter
D. None of these
2 The angle of deflection of coil can be measured by the
A. one method
B. three method
C. two method
D. none of these
3 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
4 The force acting on a charge moving in a magnetic field
A. is perpendicular to the both magnetic field and direction of motion
B. is proportional to the magnetic of charges
C. vanishes when the motion is directly opposite to the direction of field
D. all of the above
5 A resistance used in galvanometer to make it voltmeter is called
A. shunt resistance
B. high resistance
C. zero resistance
D. none of these
6 The current sensitivity of the galvanometer is
A. C/BAN
B. BAN/C
C. CAN/B
D. CBN/A
7 The magnetic field outside the solenoid due to current is
A. strong
B. zero
C. weak
D. uniform
8 For the conversion of galvanometer into voltmeter, we connect a
A. small resistance in series with galvanometer
B. small resistance in parallel with galvanometer
C. high resistance in parallel with galvanometer
D. high resistance series with galvanometer
9 The galvanometer can be made sensitive if the value of the factor C/BAN is
A. constant
B. small
C. large
D. none of these
10 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
A. dead beat galvanometer
B. stable galvanometer
C. shunt galvanometer
D. sensitive galvanomter

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