Current Electricity – HI MCQ!

A 500 W, 220 V bulb is supplied with 110 V. Power consumption by the bulb will be?

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Two bulbs of 600 Wand 200 W rated at 250 V will have resistance ratio as?

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Which of the following statement is correct?

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A semi-conductor is a material whose conductivity is same as between that of a conductor and an insulator
A semi-conductor is a material which has conductivity having average value of conductivity of metal and insulator
A semi-conductor is one which conducts only half of the applied voltage
A semi-conductor is a material made of alternate layers of conducting material and insulator

Three 6 ohm resistors are connected to form a triangle. What is the resistance between any two corners?

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The resistance of a parallel circuit consisting of two branches is 12 ohms. If the resistance of one branch is 18 ohms, what is the resistance of the other?

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The maximum current rating for a 10 k?, 0.5 W resistor is?

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An electrical lamp consumes 100 W of power. If the supply voltage is 220 V the energy consumed in 30 minutes is?

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One commercial unit of energy equals?

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The flow of current in solids is due to?

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The electrical energy required to heat a bucket of water to a certain temperature is 4kWh. If the heat losses are 20 percent, the energy input is?

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