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	Certain charge +q is placed at the center of a sphere. At each of the sphere,The directions of electric intensity and vector area are:	A. Same B. Different C. Opposite to each other D. At 60º with each other
2	As the current flow through the wire:	A. It generates heat in the wire B. It produces sound in the wire C. Resistance of the wire decreases D. Voltage across the ends is increased
3	When certain area A is held parallel to the field lines, then:	A. No lines cross this area B. Maximum lines pass through this area C. The number of lines are between zero and maximum D. Both (A) and (B) correct
4	An example of photoconductor is:	A. Boron B. Carbon C. Iron D. Aluminum
5	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
6	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)
7	When two spherical conducting balls at different potentials are joined by a metallic wire, after some time:	A. Both the conductors are at the same potential B. Potential difference across the conductors remain constant C. Potential difference across the conductors becomes zero D. Both (A) and (B)
8	Magnetic effect of current is used:	A. In electric motor B. To detect current C. To measure current D. All of these
9	Electric field lines emerge from the charge in:	A. One dimension B. Two dimensions C. Three dimensions D. Four dimensions
10	Heating effect of current utilized in:	A. Electric motor B. Electric toaster C. Electroplating D. Electric kettle

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Hamza
17 Aug 2019

It has many error

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Salmankhan
02 Feb 2018

Sir g plz correct this mcq the device which convert electrical into machinical is called moter but here the answer is generator

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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

The magnitude of chemical Effects depends upon:

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

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

Most practical applications of electricity involve

Electrolysis is the study of conduction of electricity through:

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

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

In a metal, the valence electrons are:

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

Magnetic effect of current is used:

The interior of a hollow charged metal sphere is a region which:

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

In case of metallic conductors, the change carries are:

The flux through a closed surface depends upon:

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

An electric field is generated along the wire when:

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

In a metal, the valence electrons are:

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

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

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

Certain charge +q is placed at the center of a sphere. At each of the sphere,The directions of electric intensity and vector area are:

Gaussian surface is always:

Flux through a closed surface of any shape and flux through the surface of a sphere drawn around a charge are:

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

When a constant potential difference is applied across the conductor, the drift velocity of electrons:

An ideal voltmeter has:

Xerography means:

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

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

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ECAT Physics Chapter 13 Important MCQ's

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Hamza

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