ECAT Pre Engineering Physics Chapter 13 MCQ Test With Answer

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ECAT Physics Chapter 13 Important MCQ's

Sr.#	Question	Answer
1	The effects of bends in a wire on its electrical resistance are:	A. Zero B. Much larger C. Larger D. Smaller
2	In gases, the charge carriers are:	A. Electrons B. Positive ions C. Negative ions D. Both A and C
3	Selenium is:	A. An insulator B. A conductor C. Insulator in the dark and becomes conductor when exposed to light D. Conductor in the dark only
4	The number of field lines passing through unit area held perpendicular to the field lines represent:	A. Flux in that region B. Intensity of the field C. Charge D. Area of the region
5	In a metal, the valence electrons are:	A. Attached to individual atoms B. Not attached to individual atoms C. Free to move within the metal D. Both A and B
6	In order to have a constant current through wire, the potential difference across its end should:	A. Be zero B. Be maintained constant C. Goes on increasing D. Go on decreasing
7	The rate at which the free electrons pass through any section of a metallic wire from right to left is:	A. Greater than the speed at which they pass from left to right B. Less than the speed at which they pass from left to right C. The same speed at which they pass from left to right D. Any of above
8	A current of 1 ampere is passing through a conductor. The charge passing through it in half a minute s	A. One coulomb B. 0.5 coulomb C. 30 coulombs D. 2 coulombs
9	Xerography means:	A. Dry writing B. Wet writing C. Poor writing D. Excellent writing
10	In a metal, the valence electrons are:	A. Attach to individual atoms B. Not attached to individual atoms C. Free to move within the metal D. Both (A) and (C)

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ECAT Pre Engineering Physics Chapter 13 MCQ Test With Answer

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

Physics ECAT Pre Engineering Chapter 13 Current Electricity

Most practical application of electricity involve

Magnetic effect of current is used:

The charge carries in the electrolyte are:

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

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

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

Electric flux is:

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

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

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

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

An example of photoconductor is:

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

Field lines are closer to each other in the region where the field is:

In case of metallic conductors, the charge carriers are

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:

The obvious effect/s of current is/are:

Electrolysis is the study of conduction of electricity through:

The fourth band is a:

The magnitude of chemical Effects depends upon:

Most practical applications of electricity involve

Xerography means:

A rheostat can e used:

An important part of photocopier is:

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

The inkjet printer ejects a thin stream of:

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

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

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

The electric flux through any surface depends upon:

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Top Scorers Of Physics ECAT Pre Engineering Chapter 13 Current Electricity MCQ`s Test

ECAT Physics Chapter 13 Important MCQ's

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