Electricity One Mark Questions

10th Standard EM

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Science

Time : 00:30:00 Hrs
Total Marks : 15
    5 x 1 = 5
  1. Which of the following is correct?

    (a)

    Rate of change of charge is electrical power

    (b)

    Rate of change of charge is current.

    (c)

    Rate of change of energy is current.

    (d)

    Rate of change of current is charge.

  2. In a simple circuit, why does the bulb glow when you close the switch?

    (a)

    The switch produces electricity

    (b)

    Closing the switch completes the circuit.

    (c)

    Closing the switch breaks the circuit.

    (d)

    The bulb is getting charged.

  3. When one of three series resistors is removed from a circuit and the circuit is reconnected the current

    (a)

    increase by half

    (b)

    increases

    (c)

    decreases by half

    (d)

    none of the above

  4. According to Ohm's law if voltage increase and resistance stays the same

    (a)

    Resistance decreases

    (b)

    Current increases

    (c)

    Current remains the same

    (d)

    Current decreases

  5. The amount of work done in joules when one unit electric charges moves from one point to another point in an electric circuit is called.

    (a)

    Resistance

    (b)

    Potential difference

    (c)

    Current

    (d)

    charge

  6. 5 x 1 = 5
  7. The wiring in a house consists of _________ circuits.

    ()

    parallel

  8. The power of an electric device is a product of _________ and __________.

    ()

    voltage, current

  9. LED stands for _________.

    ()

    Light Emitting Diode

  10. Electricity deals with the flow of __________ through a conductor

    ()

    charges

  11. Current passes from__________ potential to the_______ potential.

    ()

    higher, lower

  12. 5 x 1 = 5
  13. electric current

  14. (1)

    \(\frac{W}{Q}\)

  15. potential difference

  16. (2)

    \(\frac{Q}{t}\)

  17. specific resistance

  18. (3)

    ampere

  19. Potential difference

  20. (4)

    ohmmeter

  21. Electric current

  22. (5)

    volt

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