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 __.
  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 ___.
Current Electricity	MCQ

Take Current Electricity MCQ Test & Online Quiz to test your Knowledge

Below is the Current Electricity MCQ test that checks 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. Finally, you can also take the Online Quiz from the Take Current Electricity Quiz Button.

  • Electric current is the flow of electrons through a complete circuit of conductors.
  • Electric current is the flow of protons through a complete circuit of conductors.
  • Electric current is the flow of newtons through a complete circuit of conductors.
  • None of the above
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  • Joule effect
  • Thomson effect
  • Seebeck effect
  • Peltier effect
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  • Because the method involves a combination
  • There are cells involved
  • because no flow of current through the galvanometer
  • Because of potential gradients
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  • increases
  • decreases
  • remains constant
  • initially increases then decreases.
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  • independent of temperature.
  • inversely proportional to temperature
  • independent of dimensions of conductor
  • less than resistivity of a semiconductor
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  • outside the wire but normal to it
  • inside the wire but normal to it
  • inside the wire but parallel to it
  • outside the wire but parallel to it
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  • more voltage
  • more current
  • less voltage
  • less current
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  • equal to its steady current
  • slightly higher than its steady current
  • slightly less than its steady current
  • zero
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  • Voltage
  • Current
  • Resistance
  • None of the above
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  • Voltmeter
  • Galvanometer
  • Wattmeter
  • None of the above
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  • copper decreases and germanium increases
  • each of them increases
  • each of them decreases
  • copper increases and germanium decreases
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