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	As the current flows through the wire	A. It generates heat in the wire B. It produces sound in the wire C. Resistance of the wire decrease D. Voltage across the ends is the increase
2	Gaussian surface is always:	A. Rectangular B. Spherical C. Cylindrical D. Box shape
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	Which of the following substances has got positive temperature coefficient of resistance?	A. Carbon B. Germanium C. Silicon D. Aluminium
5	The magnitude of chemical Effects depends upon:	A. Nature of liquid B. Quantity of Electricity passed through the liquid C. Color of the liquid D. Both (A) and (C)
6	If the ends of a wire are connected to a battery an electric field E will be set up at:	A. The ends of the wire only B. Mid points of the wire only C. Every point within the wire D. At nodes only
7	Most practical application of electricity involve	A. Charges at the rest B. Charges in the motion C. Electrons at rest D. Atoms in motion
8	Static electricity is produced by the transfer of:	A. Electrons B. Protons C. One fluid D. Two fluids
9	Xerography means:	A. Dry writing B. Wet writing C. Poor writing D. Excellent writing
10	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

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

Tick the correct statement:

The value of relative permittivity of different dielectrics are:

In case of metallic conductors, the change carries are:

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

An important part of inkjet printer is:

In case of metallic conductors, the charge carriers are

Selenium is:

In case of metallic conductors, the charge carriers are

Two dissimilar metals joined at their ends kept at constant temperature constitute:

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

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

As the current flows through the wire

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

An important part of photocopier is:

As the current flow through the wire:

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

An eV is unit of:

Thermistors are prepared under

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

Electric flux is:

In a metal, the valence electrons are:

Electrostatics is the branch of physics which deals with the study of electro charges:

The fourth band is a:

An example of photoconductor is:

The inkjet printer ejects a thin stream of:

The emf is measured in:

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

An electric field is generated along the wire when:

Which instrument is expensive and difficult to use?

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ECAT Physics Chapter 13 Important MCQ's

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