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	Which of the following substances has got positive temperature coefficient of resistance?	A. Carbon B. Germanium C. Silicon D. Aluminium
2	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
3	Another mean of electric potential energy per unit charge is given by:	A. Electric intensity B. Potential gradient C. Electric Flux D. Potential difference
4	Flux through a closed surface of any shape and flux through the surface of a sphere drawn around a charge are:	A. Different B. Same C. Such that it is greater in the first case D. Such that it is greater in the second case
5	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)
6	In case of metallic conductors, the change carries are:	A. Protons B. Electrons C. Antiprotons D. Positrons
7	An inkjet printer uses in its operation:	A. Neutrons only B. Mesons only C. Positrons and photons D. An electric charge
8	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
9	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
10	When two spherical conducting balls at different potentials are joined by metallic wire, the current starts:	A. Decreasing from zero to maximum B. Increasing from zero to maximum C. Decreasing from maximum to zero D. Increasing from maximum to zero

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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

Magnetic effect of current is used:

Tick the correct statement:

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

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

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

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

In case of metallic conductors, the change carries are:

An eV is unit of:

Selenium is:

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

Most practical application of electricity involve

The term drift velocity is used when the ends of a wire are:

Most practical applications of electricity involve

Xerography means:

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

Which instrument is expensive and difficult to use?

The charge carries in the electrolyte are:

Electrolysis is the study of conduction of electricity through:

In gases, the charge carriers are:

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

An inkjet printer uses in its operation:

In a metal, the valence electrons are:

Conversion of chemical energy to electrical energy can be achieved by:

When resistance of a current carrying wire increases due to rise in temperature, the drift velocity of electrons:

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

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

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

In case of metallic conductors, the charge carriers are

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ECAT Physics Chapter 13 Important MCQ's

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