ECAT Pre General Science Physics Chapter 13 MCQ Test With Answer

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

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

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ECAT Pre General Science Physics Chapter 13 Current Electricity

00:00
Question # 1

Static electricity is produced by the transfer of:

Question # 2

In order to have a constant current through wire, the potential difference across its end should:

Question # 3

Kirchhoff's first rule is also called:

Question # 4

Most practical application of electricity involve

Question # 5

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 # 6

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

Question # 7

The strength of magnetic field at certain points around a wire depends upon:

Question # 8

An inkjet printer uses in its operation:

Question # 9

The free electrons in metals:

Question # 10

An example of photoconductor is:

Question # 11

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

Question # 12

The current that flows through the coil of a motor causes:

Question # 13

An important part of photocopier is:

Question # 14

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

Question # 15

If the ends of a wire are connected to a battery an electric field E will be set up at:

Question # 16

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

Question # 17

An ideal voltmeter has:

Question # 18

A field free region is found:

Question # 19

As the current flows through the wire

Question # 20

Magnetic effect of current is used:

Question # 21

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

Question # 22

The charge carries in the electrolyte are:

Question # 23

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

Question # 24

The positive charge moving in one direction is equivalent in all external affects to a:

Question # 25

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

Question # 26

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

Question # 27

Selenium is:

Question # 28

Xerography means:

Question # 29

An eV is unit of:

Question # 30

The magnitude of chemical Effects depends upon:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The emf is measured in:
A. Newton
B. Volt
C. J/C
D. Both A and B
2 The flux through a closed surface depends upon:
A.

Shape of geometry of the closed surface

B.

Charge enclosed

C.

Nature of the medium

D.

Both (A) and (B)
3 In gases, the charge carriers are:
A. Electrons
B. Positive ions
C. Negative ions
D. Both A and C
4 The conventional current is the name given to current due to flow of:
A. Positrons
B.

Positive charges

C.

Negative charges

D.

Both (A) and (C)
5

Heating effect of current utilized in:
A.

Electric motor

B.

Electric toaster

C.

Electroplating

D.

Electric kettle
6

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

At rest

B.

At rest under the action of electric forces

C.

In motion under the action of electric forces

D.

In motion
7 Field lines are closer to each other in the region where the field is:
A.

Stronger

B.

Weaker

C.

Much weaker

D.

Absent
8 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
9 In gases, the charge carries are:
A.

Electrons

B.

Positive ions

C.

Negative ions

D.

Both (A) and (C)
10 Tick the correct statement:
A.

Both the potential and potential difference is scalars

B.

Potential is a scalar but potential difference is a vector

C. Both are vectors

D.

Potential is vector but potential difference is scalar

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