Basic Electrical Mcqs

Q.  Whether circuit may be AC. or D. C. one, following is most effective in reducing the magnitude of the current?

a. Reactor
b. Capacitor
c. Inductor
d. Resistor


ANSWER: See Answer
 
No explanation is available for this question!
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MCQs:  A nichrome wire used as a heater coil has the resistance of 2 £2/m. For a heater of 1 kW at 200 V, the length of wire required will be_____________?
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MCQs:  Temperature co-efficient of resistance is expressed in terms of___________?
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MCQs:  Which of the following statement is correct_______________?
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MCQs:  An open resistor, when checked with an ohm-meter reads_____________?
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MCQs:  are the materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators______________?
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MCQs:  Voltage dependent resistors are usually made from________________?
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MCQs:  Voltage dependent resistors are used_____________?
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MCQs:  The ratio of mass of proton to that of electron is nearly_____________?
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MCQs:  The number of electrons in the outer most orbit of carbon atom is___________?
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MCQs:  With three resistances connected in parallel, if each dissipates 20 W the total power supplied by the voltage source equals_____________?
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MCQs:  A thermistor has_____________?
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MCQs:  If/, R and t are the current, resistance and time respectively, then according to Joule’s law heat produced will be proportional to_______________?
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MCQs:  Nichrome wire is an alloy of_____________?
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MCQs:  When a voltage of one volt is applied, a circuit allows one micro ampere current to flow through it. The conductance of the circuit is___________?
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MCQs:  Which of the following can have negative temperature coefficient _____________?
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