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Department of Common Subjects for all Engineerings
Applied Physics 1
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Question 1 : A particle of mass 'm' and charge 'g' is in an electric field 'E'. Its acceleration is.
Option-1 :Eg/m.
Option-2 :Em/g.
Option-3 :mg/E
Option-4 :Egm.
Question 2 : On the axial line of a dipole, a charge at a large distance experriences a charge at a large distance experiencees a force 10N.If it is at the same distance on the equatorial line, the force will be.
Option-1 :20N.
Option-2 :10N.
Option-3 :5N.
Option-4 :2.5N.
Question 3 : Adipole of moment of 2c-m. is inclined at 30 digree with a uniform electrice field 20NC. Torque on at is.
Option-1 :80Nm.
Option-2 :60Nm.
Option-3 :40Nm.
Option-4 :20Nm.
Question 4 : Two charge bodies are connected by a conductor. There will be no current in the condictor if the bodies have the some.
Option-1 :Charge
Option-2 :Potential
Option-3 :field
Option-4 :capacitance.
Question 5 : Two work done in moving a unit --ve charge once round a charge+Q is.
Option-1 :+Q
Option-2 :-Q
Option-3 :Path--dependent
Option-4 : zero.
Question 6 : A parallel plate capacitor of capacitance e is between the plate is doubled. charge on it is.
Option-1 :2cv
Option-2 :cv
Option-3 :cv/2
Option-4 :v/2c
Question 7 : Electron-- Volt is the unit of
Option-1 :Charge
Option-2 :emf
Option-3 :potential difference
Option-4 :energy.
Question 8 : Resistance of a wire is R1. It is stretched to three times its length. Its new resistance is given by
Option-1 :R1/9
Option-2 :R1/3
Option-3 :3R1
Option-4 :9R1
Question 9 : The registance between the opposite faces of a solid cube of side. 10cm. The registivity of its material will be.
Option-1 :1ohm
Option-2 :1m -ohm-m
Option-3 :1/n ohm-m
Option-4 :1n ohm-m.
Question 10 : An example of a substance having -vetemp,erature coeffieient is
Option-1 :copper
Option-2 :silver
Option-3 :gold.
Option-4 :germanium.
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