ECAT Pre General Science Physics Chapter 13 Current Electricity Online Test

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  • Chapter NameCh 13 - Current Electricity

ECAT Pre General Science Physics Chapter 13 Current Electricity Online Test

  • Total Questions30

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ECAT Pre General Science Physics Chapter 13 Current Electricity Online Test

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Question # 1

Which of the following substances has got positive temperature coefficient of resistance?

Question # 2

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

Question # 3

The conventional current is the name given to current due to flow of:

Question # 4

Electric flux is:

Question # 5

A thermistor is a resistor which is:

Question # 6

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

Question # 7

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

Question # 8

In case of two identical charges placed certain distance apart, the electric field lines are:

Question # 9

A rheostat can e used:

Question # 10

The value of relative permittivity of different dielectrics are:

Question # 11

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

Question # 12

A field free region is found:

Question # 13

Xerography means:

Question # 14

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 # 15

The inkjet printer ejects a thin stream of:

Question # 16

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

Question # 17

When certain area A is held parallel to the field lines, then:

Question # 18

The current that flows through the coil of a motor causes

Question # 19

The value of resistivity is the least for:

Question # 20

The best conductor is:

Question # 21

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

Question # 22

An electric field is generated along the wire when:

Question # 23

Kirchhoff's first rule is also called:

Question # 24

The conventional current is the name given to current due to flow of

Question # 25

Most practical application of electricity involve

Question # 26

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

Question # 27

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

Question # 28

Heating effect of current utilized in:

Question # 29

Magnetic effect of current is used:

Question # 30

An important part of photocopier is:

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