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

A current carrying conductor sets up its own:

Question # 2

In order to make a voltmeter, high resistance is connected with galvanometer, in

Question # 3

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

Question # 4

The pointer of a magnetic compass:

Question # 5

Total number of turns on 0.15 m length solenoid is 300. the value of n is:

Question # 6

The working of all DC electric meters (galvanometers, ammetersand voltmeters) depends upon

Question # 7

Tesla is the unit of

Question # 8

The magnetic field inside a solenoid can be increased by:

Question # 9

Magnetic induction is also called as:

Question # 10

If the value of galvanometer constant k = C/BAN is made small, the galvanometer can be made

Question # 11

Which one of the following relations is correct?

Question # 12

A voltmeter is used to measure the

Question # 13

Charge to mass ratio (e/m) of an electron is given by the relation

Question # 14

Avo-meter is used of measure the

Question # 15

The SI unit of magnetic flux 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 The magnetic force exerted on an electron moving with velocity 'v' at right angle to the magnetic field is given by
A. F=eVB
B. F=e2V/B
C. F=e/VB
D. F=B2/ev
3 The SI unit of magnetic flux is
A. NmA-2
B. NmA-1
C. NAm-1
D. Nm2A-1
4 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
5 The angle of deflection of coil can be measured by the
A. one method
B. three method
C. two method
D. none of these
6 magnetic field is a:
A.

Vector quantity

B.

Scalar quantity

C.

Scalar as well as scalar quantity

D.

Any of (A) or (B)
7 A resistance used in voltmeter is called
A. shunt resistance
B. high resistance
C. low resistance
D. zero resistance
8 The e/m of an electron moving in a circular path in a magnetic field is equal to
A. V/Br
B. V/B2r2
C. V2/Br2
D. V2/Br
9 The SI unit of magnetic induction is
A. Gauses
B. Tesla
C. Weber
D. Weber2
10 Magnetic flux passing through the an element of are A placed perpendicular to a uniform magnetic field Bis:
A. Maximum
B. Minimum
C. Zero
D. Very small

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