Current Electricity Mcqs
Our collections of Multiple choice questions and answers focuses on study of Current Electricity in Physics. These questions are chosen from a collection of most authoritative and best reference books on Physics. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, MDCAT, Teaching jobs Tests and Chemical industry job interviews. One should practice our Mcqs to assimilate knowledge on Current Electricity in Physics comprehensively.
17. Production of heat due to an electric current flowing through a conductor is given by
Joule effect
Joule Thomsons effect
Comptons effect
Feed back effect
Answer & Solution
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18. Reciprocal of resistivity is called
Resistance
Inductance
Conductivity
Flexibility
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19. Resistance between points A and B in the circuit shown in figure is
4?
6?
10?
8?
20. Resistance of a conductor depends upon
Nature of conductor
Dimension of conductor
Physical state of the conductor
All of above
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21. Resistance of a super conductor is
Finite
Infinite
Zero
Changes with every conductor
22. Resistance of a wire on increasing its temperature will
Increase with rise in temperature
Decrease with rise in temperature
Will remain same
Depends upon altitude of experimentation
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23. Resistance of an ideal insulator is
Infinite
Zero
Finite
Depends upon nature
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25. Specific resistance of a wire
Will depend on its length
Will depend on its radius
Will depend on the type of material of the wire
Will depend on none of the above
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26. Terminal potential difference of a battery is greater than its emf when
The internal resistance of battery is infinite
The internal resistance of battery is zero
The battery is charged
The battery is discharged
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27. The current in the circuit shown in figure – What will be the current in the circuit?
1/45A
1/10A
1/5A
5A
28. The current through a metallic conductor is due to the motion of
Free electrons
Protons
Neutrons
Still under controversy
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29. The graphical representation of Ohms law is
Hyperbola
Ellipse
Parabola
Straight line
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30. The resistance of a conductor at absolute zero (OK) is
Zero almost
Infinite almost
No prediction at all
May increase or decrease
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31. There are three bulbs of 60W 100W and 200W which bulb has thickest filament.
100W
200W
60W
All