Basic Electrical Mcqs


Q.  The minimum charge on an ion is______________?

a. equal to the atomic number of the atom
b. equal to the charge of an electron
c. equal to the charge of the number of electrons in an atom (#) zero


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  If the efficiency of a machine is to be high, what should be low __________?
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MCQs:  When electric current passes through a metallic conductor, its temperature rises. This is due to__________?
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MCQs:  Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as________?
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MCQs:  A glass rod when rubbed with silk cloth is charged because__________?
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MCQs:  It becomes more difficult to remove_________________?
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MCQs:  When one leg of parallel circuit is opened out the total current will______________?
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MCQs:  In a lamp load when more than one lamp are switched on the total resistance of the load_____________?
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MCQs:  In the case of direct current____________?
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MCQs:  When electric current passes through a bucket full of water, lot of bubbling is observeD. This suggests that the type of supply is____________?
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MCQs:  Bulbs in street lighting are all connected in_____________?
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MCQs:  For testing appliances, the wattage of test lamp should be_____________?
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MCQs:  Switching of a lamp in house produces noise in the radio. This is because switching operation produces________?
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MCQs:  74. Sparking occurs when a load is switched off because the circuit has high_________?
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MCQs:  Copper wire of certain length and resistance is drawn out to three times its length without change in volume, the new resistance of wire becomes__________?
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MCQs:  When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of the heater will___________?
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MCQs:  A field of force can exist only between_____________?
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MCQs:  A substance whose molecules consist of dissimilar atoms is called____________?
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MCQs:  International ohm is defined in terms of the resistance of________________?
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