A wire has 4 ohms resistance the diameter of wire is halved, its resistance is :
Correct! Wrong!
The depolariser used in Daniel cell is......
Correct! Wrong!
Two bulbs, one of 100 W and the other of 50 W, are connected in series across a 220 V supply ratio of current through them will be :
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The electrolyte of a storage battery is formed by adding
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The condition in Ohm's law is:
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The presence of an electric current is made known by.....
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A cell which can be recharged is known as :
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Which of the following factors is not affecting the capacity of a lead-acid battery?
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The quantity of current gives just bearable shock to a normal human body is....
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Which medium has the highest value of dielectric strength?
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The unit of Electrical Energy is:
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When current flows through heater coil it glows but supply wiring does not glow because:
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If the thickness of wire is halved its resistance is:
Correct! Wrong!
The power consumption of a 4 ft. tube light is;
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Which of the lamp have more efficiency?
Correct! Wrong!
Fuel cell converts....... energy into electrical energy.
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As per the ISI Rules related to wiring the size of a conductor should be such that the voltage drop should not increase more than ......... of the connected voltage when the full load current is flowing
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which of the following capacitors can have the highest capacitance value?
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........ is measured in ohms/cm
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The resistance of a conductor, when its temperature is increased:
Correct! Wrong!
Distilled water is used in electrolyte because it:
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Which is the best conductor ?
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Two capacitors of 2 microfarad each are connected in parallel and a capacitor of 1 microfarad connected in series to this combination. The equivalent capacitance is
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A 1000 Watt heater is working on 250 supply, how much current it will take?
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Cells are connected in parallel to ........
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The Specification of a Ceiling fan is:
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The internal resistance of an Ammeter is :
Correct! Wrong!
The e.m.f of a Leclanche cell is ........
Correct! Wrong!
Speed of electron is ......... km /sec
Correct! Wrong!
Ohms law is not applicable to:
Correct! Wrong!
KSEB Assistant engineer/Sub Engineer Mock test 1
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