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Department of Common Subjects for all Engineerings
Applied Physics I
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Question 1 : An auto transformer works on the principle of
Option-1 :Self induction
Option-2 :Mutual Induction
Option-3 :Resonace
Option-4 :reactance
Question 2 : Ohm's law states that the _________ across a resistor is directly proportional to the current
Option-1 :e.m.f
Option-2 :p.d
Option-3 :a.c
Option-4 :d.c
Question 3 : Power is defined as ____________ of doing work
Option-1 :Rate
Option-2 :Average
Option-3 :Amount
Option-4 :None of them
Question 4 : When a huge inductance is connected in an a.c circuit, the power factor is _____________
Option-1 :high
Option-2 :low
Option-3 :zero
Option-4 :infinity
Question 5 : Heat produced in a conductor is proportional to the _____________
Option-1 :Voltage
Option-2 :current
Option-3 :Amplifier
Option-4 :None of them
Question 6 : The unit of electrial energy is ____________
Option-1 :joule
Option-2 :KWh
Option-3 :KV
Option-4 :Wh
Question 7 : If a proton is moved against the coulomb force of an electric field
Option-1 :Work is done by the electric field
Option-2 :Energy is used from some outside source
Option-3 :The strength of the filed is decreased
Option-4 :The energy of the system is decreased
Question 8 : The energy stores in a capacitor of a capacity C when the potential difference between teh plates is V is given by
Option-1 :1/2 CV sqaure2
Option-2 :1/2 V sqaure2/C
Option-3 :1/2 C sqaure2/V
Option-4 :1/2 CV
Question 9 : The specific resistance of a wire
Option-1 :Will depend on its length
Option-2 :Will depends on its radius
Option-3 :Will depend on the type of material of the wire
Option-4 :Will depend on none of the above
Question 10 : The electric energy is measured in
Option-1 :Volt
Option-2 :Watt
Option-3 :kilo-watt-hourse
Option-4 :Ampere
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