ECAT Pre Engineering Physics Chapter 13 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 13 Current Electricity

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 13 Current Electricity

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Physics ECAT Pre Engineering Chapter 13 Current Electricity

00:00
Question # 1

The effects of bends in a wire on its electrical resistance are:

Question # 2

Electrolysis is the study of conduction of electricity through:

Question # 3

The magnitude of chemical Effects depends upon:

Question # 4

The rate at which the free electrons pass through any section of a metallic wire from right to left is:

Question # 5

The quantity having the same unit as that of emf is:

Question # 6

The electric flux through any surface depends upon:

Question # 7

In a metal, the valence electrons are:

Question # 8

Electrostatics is the branch of physics which deals with the study of electro charges:

Question # 9

While finding the electric intensity at a point between two oppositely charged parallel plates, the Gaussian surface is taken in the form of a hollow:

Question # 10

Tick the correct statement:

Question # 11

Conversion of chemical energy to electrical energy can be achieved by:

Question # 12

The flux through a closed surface depends upon:

Question # 13

The value of resistivity is the least for:

Question # 14

An example of photoconductor is:

Question # 15

The passage of current is accompanied by a magnetic field in the surrounding space:

Question # 16

The rate at which the free electrons pass through any section of a metallic wire from right to left is:

Question # 17

A thermistor is a resistor which is:

Question # 18

Electric field lines emerge from the charge in:

Question # 19

The charge carriers in an electrolyte are

Question # 20

An important part of photocopier is:

Question # 21

In case of metallic conductors, the change carries are:

Question # 22

The best conductor is:

Question # 23

The emf is measured in:

Question # 24

Xerography means:

Question # 25

The interior of a hollow charged metal sphere is a region which:

Question # 26

The free electrons in metals:

Question # 27

As the current flow through the wire:

Question # 28

Thermistors are prepared under

Question # 29

The current of 1 ampere is passing through a conductor. The charge passing through it in half a minute is:

Question # 30

The value of relative permittivity of different dielectrics are:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

Two dissimilar metals joined at their ends kept at constant temperature constitute:
A.

Cell

B.

Voltmeter

C.

Thermocouple

D.

Potentiometer
2 The current that flows through the coil of a motor causes
A. Its shaft to revolve
B. Its brushes to rotate
C. Motor to move
D. Its shaft to rotate
3 As the current flows through the wire
A. It generates heat in the wire
B. It produces sound in the wire
C. Resistance of the wire decrease
D. Voltage across the ends is the increase
4 In gases, the charge carries are:
A.

Electrons

B.

Positive ions

C.

Negative ions

D.

Both (A) and (C)
5

When two spherical conducting balls at different potentials are joined by a metallic wire, after some time:
A.

Both the conductors are at the same potential

B.

Potential difference across the conductors remain constant

C.

Potential difference across the conductors becomes zero

D.

Both (A) and (B)
6 The third band of the colour code:
A. Gives the number of zeroes
B. Is decimal multiplier
C. Gives the resistance tolerance
D. Gives the third digit
7 The electric flux through any surface depends upon:
A.

Intensity of electric field

B.

Area of the surface

C.

Angle between intensity and area

D.

All of these
8 The earth’s potential and potential at infinity are taken:
A.

Equal

B.

Zero

C.

First is greater than the second

D.

Second is greater than the first
9 A rheostat can e used:
A. As variable resistor
B. As potential divider
C. For varying the current
D. All of these
10 Kirchhoff's first rule is also called:
A. Loop rule
B. Thumb rule
C. Point rule
D. Right hand rule

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