MCQs 1: Which of the following statement is true both for a series and a parallel D. C. circuit?
MCQs 2: Which of the following materials has a negative temperature co-efficient of resistance?
MCQs 3: Ohm’s law is not applicable to____________?
MCQs 4: Which is the best conductor of electricity _______________?
MCQs 5: For which of the following ‘ampere second’ could be the unit ?
MCQs 6: All of the following are equivalent to watt except_____________?
MCQs 7: A resistance having rating 10 ohms, 10 W is likely to be a__________?
MCQs 8: Which one of the following does not have negative temperature co-efficient ____________?
MCQs 9: Varistors are______________?
MCQs 10: Insulating materials have the function of______________?
preventing a short circuit between conducting wires
preventing an open circuit between the voltage source and the load
conducting very large currents
storing very high currents
MCQs 11: Insulating materials have the function of___________?
preventing a short circuit between conducting wires
preventing an open circuit between the voltage source and the load
conducting very large currents
storing very high currents
MCQs 12: The rating of a fuse wire is always expressed in________________?
MCQs 13: The minimum charge on an ion is______________?
equal to the atomic number of the atom
equal to the charge of an electron
equal to the charge of the number of electrons in an atom (#) zero
MCQs 14: In a series circuit with unequal resistances______________?
the highest resistance has the most of the current through it
the lowest resistance has the highest voltage drop
the lowest resistance has the highest current
the highest resistance has the highest voltage drop
MCQs 15: The filament of an electric bulb is made of______________?
MCQs 16: A 3 Q resistor having 2 A current will dissipate the power of_______________?
MCQs 17: Which of the following statement is true________________?
A galvanometer with low resistance in parallel is a voltmeter
A galvanometer with high resistance in parallel is a voltmeter
A galvanometer with low resistance in series is an ammeter
A galvanometer with high resistance in series is an ammeter
MCQs 18: The resistance of a few meters of wire conductor in closed electrical circuit is____________?
MCQs 19: If a parallel circuit is opened in the main line, the current_______________?
increases in the branch of the lowest resistance
increases in each branch
is zero in all branches
is zero in the highest resistive branch
MCQs 20: If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes______________?
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