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

SI unit of current describes the flow of charge at the rate of

Question # 2

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

Question # 3

A rheostat can e used:

Question # 4

Selenium is:

Question # 5

The number of field lines passing through unit area held perpendicular to the field lines represent:

Question # 6

In a metal, the valence electrons are:

Question # 7

The electric flux through any surface depends upon:

Question # 8

The magnitude of chemical Effects depends upon:

Question # 9

When two spherical conducting balls at different potentials are joined by metallic wire, the current starts:

Question # 10

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

Question # 11

An electric field is generated along the wire when:

Question # 12

The device which can convert heat energy into electrical energy is called:

Question # 13

As the current flows through the wire

Question # 14

An eV is unit of:

Question # 15

The charge carriers in an electrolyte are

Question # 16

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

Question # 17

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

Question # 18

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

Question # 19

The charge carries in the electrolyte are:

Question # 20

Electric field lines emerge from the charge in:

Question # 21

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

Question # 22

Another mean of electric potential energy per unit charge is given by:

Question # 23

The current that flows through the coil of a motor causes

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

Most practical application of electricity involve

Question # 29

In gases, the charge carries are:

Question # 30

Most practical applications of electricity involve

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 A rheostat can e used:
A. As variable resistor
B. As potential divider
C. For varying the current
D. All of these
2 The interior of a hollow charged metal sphere is a region which:
A.

Contain some magnitude of electric field

B.

Is full of electric field lines

C.

Is field-free region

D.

Either (A) or (B)
3 In gases, the charge carriers are:
A. Electrons
B. Positive ions
C. Negative ions
D. Both A and C
4 Most practical applications of electricity involve
A. Charges at rest
B. Charges in motion
C. Electrons at rest
D. Atoms in motion
5

The example/s of non-electrical energy to electrical is/are:
A.

Chemical energy

B.

Mechanical energy

C.

Heat energy

D.

Both (A) and (B)
6 The surface destiny of charge is defined is:
A.

Charge per volume

B.

Mass per volume

C.

Charge per area

D.

Mass per area
7 SI unit of current describes the flow of charge at the rate of
A. One ampere per second
B. One coulomb per second
C. One electron per second
D. 6.25 x 1018electrons per second
8

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

Zero

B.

Much larger

C.

Larger

D.

Smaller
9 An electric field is generated along the wire when:
A.

Its resistance is very high

B.

A constant potential is maintained across the wire

C.

Net current through the wire is zero

D.

A constant potential difference is maintained across the wire
10 A thermistor is a resistor which is:
A. Light Sensitive
B. Heat Sensitive
C. Sound Sensitive
D. All of these

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