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	Tick the correct statement:	A. Both the potential and potential difference is scalars B. Potential is a scalar but potential difference is a vector C. Both are vectors D. Potential is vector but potential difference is scalar
3	An electric field is generated along the wire when:	A. Its resistance is very high B. A constant potential is maintained across the wire C. Net current through the wire is zero D. A constant potential difference is maintained across the wire
4	Electric field lines emerge from the charge in:	A. One dimension B. Two dimensions C. Three dimensions D. Four dimensions
5	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
6	Another mean of electric potential energy per unit charge is given by:	A. Electric intensity B. Potential gradient C. Electric Flux D. Potential difference
7	When resistance of a current carrying wire increases due to rise in temperature, the drift velocity of electrons:	A. Decreases B. Increases C. Remains the constant D. Either of these
8	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 shafts to rotate
9	In gases, the charge carriers are:	A. Electrons B. Positive ions C. Negative ions D. Both A and C
10	The positive charge moving in one direction is equivalent in all external affects to a:	A. Negative charge is moving in the same direction B. Positive charge is moving in the opposite direction C. Negative charge moving in the opposite direction D. Positive charges moving in the same direction

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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 electric flux through any surface depends upon:

The obvious effect/s of current is/are:

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

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

Most practical applications of electricity involve

In a metal, the valence electrons are:

The value of relative permittivity of different dielectrics are:

As the current flows through the wire

Electrolysis is the study of conduction of electricity through:

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

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

The inkjet printer ejects a thin stream of:

An electric field is generated along the wire when:

A field free region is found:

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

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 that flows through the coil of a motor causes

Magnetic effect of current is used:

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

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

The charge carriers in an electrolyte are

Kirchhoff's first rule is also called:

Selenium is:

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

Aluminum is a:

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

The magnitude of chemical Effects depends upon:

An inkjet printer uses in its operation:

The free electrons in metals:

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

Prepare Complete Set Wise Physics ECAT Pre Engineering Chapter 13 Current Electricity MCQs Online With Answers

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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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Hamza

Salmankhan