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

Avo-meter is used of measure the

Question # 2

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

Question # 3

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

Question # 4

Magnetic induction is also called as:

Question # 5

A field is uniform and much stronger:

Question # 6

The magnetic field outside the solenoid due to current is

Question # 7

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 # 8

The SI unit of flux density is.

Question # 9

The SI unit of magnetic flux is

Question # 10

The voltage increases linearly with

Question # 11

The field around a moving charge is called

Question # 12

magnetic field is a:

Question # 13

When an electron enters in a magnetic field right angle to its motion, the magnitude of its velocity will be

Question # 14

It is customary represent a current flowing towards the reader by a symbol

Question # 15

The torque per unit twist of coil is called

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 Electron gun consist of
A. three anodes
B. heating cathode
C. three anodes
D. three anodes , heating cathode, grid
2 A shunt resistance parallel to the galvanometer is used to convert it into
A. avometer
B. millimeter
C. voltmeter
D. none of these
3 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
4 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
5 The SI unit of magnetic flux is.
A. weber
B. Nm-1A-1
C. tesla
D. gauss
6 In a moving coil galvanometer, the deflecting couple depends upon
A. area of the coil
B. number of turns of coil
C. value of magnetic field
D. all of the above
7 A voltmeter is used to measure the
A. potential difference
B. current
C. temperature
D. resistance
8 (CRO) Cathode ray oscilloscope is a device used for high speed
A. velocity
B. graph plotting
C. time-velocity
D. none of these
9 Which is modified form of galvanometer
A. potentiometer
B. battery
C. voltmeter
D. slide wire bridge
10 The current sensitivity of the galvanometer is
A. C/BAN
B. BAN/C
C. CAN/B
D. CBN/A

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