ECAT Pre Engineering Physics Chapter 12 MCQ Test With Answer

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ECAT Class Physics Chapter 12 Important MCQ's

Sr.#	Question	Answer
1	One moving a charge of 20 coulombs by 2 cm, 2 J of work is done, then the potential difference between the points is	A. 0.1 V B. 8 V C. 2 V D. 0.5 V
2	The SI unit of electric field intensity is	A. CN^-1 B. NC^-1or Vm^-1 C. JC^-1 D. AV^-1
3	The fractional change in resistance per kelvin is known as	A. temperature coefficient B. resistance coefficient C. super temperature D. critical temperature
4	A uniform resistance wire of Length L and diameter d has a resistance R. Another wire of same material has length, 4L and diameter 2d, the resistance will be	A. 2 R B. R C. R/2 D. R/4
5	A proton is about 1840 times heavier than an electron. When it is accelerated by a potential difference of 1 KV, its kinetic energy will be	A. 1840 KeV B. 1/1840 KeV C. 1 KeV D. 920 KeV
6	Resistance of a conductor is increased, the currant will	A. Decrease B. Increase C. Remain the same D. None of these
7	The relation V = IR represents	A. Ampere law B. Faraday's law C. Ohm's law D. Len's law
8	A capacitor of capacity 1μF is charged to 1 KV. The energy stored in J	A. 5 B. 0.5 C. 0.005 D. 50
9	The resistivity of a substance depends upon the	A. length B. mass C. area D. temperature
10	The statement "the electric force of repulsion or attraction between two point charges is directly proportional to the product of the charges and inversely proportional to square of the distance between them" refer to	A. Coulomb's law B. Gauss's law C. Biot-Sarwat law D. Ampere's law

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ECAT Pre Engineering Physics Chapter 12 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 12 Electrostatics

Physics ECAT Pre Engineering Chapter 12 Electrostatics

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ECAT Class Physics Chapter 12 Important MCQ's

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Two point charges A and B separated by a distance R attract each other with a force of 12 x 10^-3N. The force between A and B when the charges on them are doubled and distance is halved