ECAT Pre Computer Science Chapter 12 MCQ Test With Answer

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ECAT Physics Chapter 12 Important MCQ's

Sr.#	Question	Answer
1	In a Milikian's oil drop experiment the charge on an oil drop is calculated to be 6.35 x 10^-19C. The number of excess electrons on the drop is	A. 3.9 B. 4 C. 4.2 D. 6
2	If two bulbs one of 60 W and other of 100 W are connected in parallel, then which one of the following will flow more?	A. 60 W bulb B. 100 W bulb C. Both equally D. None of these
3	An electric dipole is at the centre of a hollow sphere of radius r. The total normal electric flux through the sphere is (here Q is the charge and d is the distance between the two charges of the dipole)	A. Q/4πr² B. 2Q/4πr² C. Q.d D. Zero
4		A. 5μF B. 10μF C. 3μF D. 6μF
5	When an electron is accelerated through a P.D. of an one volt, it will acquire energy equal to	A. One joule B. One erg C. One electron volt D. None of these
6	One coulomb of charge is created by	A. 10 electrons B. 1.6 x 10^-19electrons C. 6.25 x 10¹⁸electrons D. 6.25 x 10²¹electrons
7	The charge carriers in electrolyte are positive and negative	A. protons B. electrons C. ions D. none of these
8	Free electrons are	A. tightly bound B. fixed C. loosely bound D. tightly fixed
9	An alpha particle is accelerated through a potential difference of 10⁶volt. Its kinetic energy will be	A. 1 MeV B. 2 MeV C. 4 MeV D. 8 MeV
10	Calculate the amount of charge flowing in 2 minutes in a wire of resistance 10Ωwhen a potential difference of 20 V is applied between its ends	A. 120 C B. 240 C C. 20 C D. 4 C

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ECAT Pre Computer Science Chapter 12 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 12 Electrostatics

ECAT Physics Chapter 12 Electrostatics

If 2.2 kilowatt power is transmitted through 1 10 ohm line at 22000 volt, the power loss in the form of heat will be

One joule is equal to

If the resistance of 2 ohm and 4 ohm are connected in parallel, the equivalent resistance will be

If two bulbs one of 60 W and other of 100 W are connected in parallel, then which one of the following will flow more?

The speed of randomly moving electrons depends upon

The value of electrical constant of proportionality k is

A conducting wire is drawn to double its length. Final resistivity of the material will be

Calculate the amount of charge flowing in 2 minutes in a wire of resistance 10Ωwhen a potential difference of 20 V is applied between its ends

If a 40 watt light bulb burns for 2 hours. how much heat is generated

The energy stored in a charge capacitor

In a Milikian's oil drop experiment the charge on an oil drop is calculated to be 6.35 x 10-19C. The number of excess electrons on the drop is

The electric flux from a closed surface

Physicist George Simon ohm was a

Free electrons are

Equal charges are given to two spheres of different radii. The potential will

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Top Scorers Of ECAT Physics Chapter 12 Electrostatics MCQ`s Test

ECAT Physics Chapter 12 Important MCQ's

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In a Milikian's oil drop experiment the charge on an oil drop is calculated to be 6.35 x 10^-19C. The number of excess electrons on the drop is