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Current Electricity MCQ
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- 27th Aug, 2022
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Current Electricity MCQ Questions
Take Current Electricity MCQ Test & Online Quiz to test your Knowledge
Practice Best Current Electricity MCQ Questions that check your basic knowledge of Current Electricity. This Current Electricity MCQ Test contains 20+ Multiple Choice Questions. You have to select the right answer to the question. Apart from this, you can also download below the Current Electricity MCQ PDF completely free.
Current Electricity MCQ Test
1) What do you mean by electric current?
2) What is the ratio of power dissipated if two electric bulbs are connected in series and the ratio of their resistance is 1:2?
3) What is the principle behind thermocouple?
4) Why a potentiometer is considered a versatile and accurate device to make an electrical measurement of EMF?
5) By increasing the temperature the resistance of a conductor __.
Download Free : Current Electricity MCQ PDF
6) A circuit consists of a resistance R connected to n similar cells. If the current in the circuit is the same whether the cells are connected in series or in parallel then the internal resistance r of each cell is given by ___.
7) Which of the following is wrong? Resistivity of a conductor is ___.
8) Is Resistivity of a conductor is inversely proportional to temperature?
9) Resistivity of a conductor is independent of dimensions of conductor.
10) When there is an electric current through a conducting wire along its length, then an electric field must exist ___.
11) Combine three resistors 5 Q, 4.5 Q and 3 Q in such a way that the total resistance of this combination is maximum ___.
12) In parallel combination of n cells, we obtain ___.
13) An electric heater is connected to the voltage supply. After few seconds, current gets its steady value then its initial current will be ___.
14) In Joule’s heating law, when I and t are constant, if the H is taken along the y axis and I2 along the x axis, the graph is ___.
15) A Daniel cell is balanced on 125 cm length of a potentiometer wire. Now the cell is short-circuited by a resistance 2 ohm and the balance is obtained at 100 cm. The internal resistance of the Daniel cell is ___.
16) Electric pressure is also called ___.
17) What is the unit of electric current?
18) Which instrument is used to measure electric current?
19) A piece of copper and another of germanium are cooled from room temperature to 80 K. The resistance of __.
20) One ampere of current represents one coulomb of electric charge moving past a specific point in one second.
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