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 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
2	The interior of a hollow charged metal sphere is a region which:	A. Contain some magnitude of electric field B. Is full of electric field lines C. Is field-free region D. Either (A) or (B)
3	The surface destiny of charge is defined is:	A. Charge per volume B. Mass per volume C. Charge per area D. Mass per area
4	Heating effect of current utilized in:	A. Electric motor B. Electric toaster C. Electroplating D. Electric kettle
5	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
6	Static electricity is produced by the transfer of:	A. Electrons B. Protons C. One fluid D. Two fluids
7	In case of metallic conductors, the charge carriers are	A. Protons B. Electrons C. Antiprotons D. Positrons
8	SI unit of current describes the flow of charge at the rate of	A. One ampere per second B. One coulomb per second C. One electron per second D. 6.25 x 10¹⁸electrons per second
9	The current that flows through the coil of a motor causes	A. Its shaft to revolve B. Its brushes to rotate C. Motor to move D. Its shaft to rotate
10	The passage of current is accompanied by a magnetic field in the surrounding space:	A. Always accompanied B. Sometimes accompanied C. Never accompanied D. Any of above

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

In case of metallic conductors, the change carries are:

In gases, the charge carries are:

Most practical application of electricity involve

Most practical applications of electricity involve

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

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

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

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

The best conductor is:

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

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:

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

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

The emf is measured in:

Thermistors are prepared under

An important part of inkjet printer is:

Another mean of electric potential energy per unit charge is given by:

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:

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

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

A thermistor is a resistor which is:

An eV is unit of:

Electrolysis is the study of conduction of electricity through:

The charge carriers in an electrolyte are

Electric field lines emerge from the charge in:

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

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

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

An inkjet printer uses in its operation:

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ECAT Physics Chapter 13 Important MCQ's

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