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

  • Total Questions30

  • Time Allowed30

Physics ECAT Pre Engineering Chapter 13 Current Electricity

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Question # 1

Which instrument is expensive and difficult to use?

Question # 2

Selenium is:

Question # 3

The free electrons in metals:

Question # 4

The fourth band is a:

Question # 5

An eV is unit of:

Question # 6

The current that flows through the coil of a motor causes

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

As the current flow through the wire:

Question # 11

In gases, the charge carriers are:

Question # 12

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

Question # 13

The best conductor is:

Question # 14

An important part of inkjet printer is:

Question # 15

An example of photoconductor is:

Question # 16

The electric flux through any surface depends upon:

Question # 17

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

Question # 18

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

Question # 19

The earth’s potential and potential at infinity are taken:

Question # 20

As the current flows through the wire

Question # 21

The value of relative permittivity of different dielectrics are:

Question # 22

The flux through a closed surface depends upon:

Question # 23

A rheostat can e used:

Question # 24

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

Question # 25

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

Question # 26

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

Question # 27

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

Question # 28

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

Question # 29

An inkjet printer uses in its operation:

Question # 30

The emf is measured in:

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