Electricity 1 Mark Creative Question Paper With Answer Key

10th Standard

    Reg.No. :
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Science

Time : 00:20:00 Hrs
Total Marks : 15

    Multiple Choice Question

    15 x 1 = 15
  1. A series circuit consists of three resistors with values of 140, 250 and 220. The total resistance is

    (a)

    330

    (b)

    610

    (c)

    720

    (d)

    None of the above

  2. When will be the current flow in a circuit?

    (a)

    A switch is closed

    (b)

    A switch is opened

    (c)

    Switch is either open or closed

    (d)

    None of the above

  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. The S1 unit of power is

    (a)

    joule

    (b)

    ampere

    (c)

    Watt

    (d)

    ohm

  5. A parallel circuit consist of three resistors with values of 430, 210 and 100. The total resistance is

    (a)

    0.017 ohm

    (b)

    58.82 ohm

    (c)

    58.82 kilo ohm

    (d)

    None of the above

  6. 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

  7. 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

  8. The resistance of material depends on.

    (a)

    Temperature

    (b)

    Length of conductor

    (c)

    Area of cross-section

    (d)

    All the above

  9. The relation between potential difference (V) and current (I) is:

    (a)

    \(\alpha\)I

    (b)

    V\(\alpha\)I2

    (c)

    V\(\alpha\)\(\frac{I}{I}\)

    (d)

    None of the above

  10. The relation between potential difference (V) and current (I) was discovered by:

    (a)

    Volt

    (b)

    Ohm

    (c)

    Newton

    (d)

    Ampere

  11. Give the name of components which is designed to oppose the flow of current.

    (a)

    Capacitor

    (b)

    Resistors

    (c)

    Fuse wire

    (d)

    Inductor

  12. The resistance of a conductor directly proportional to

    (a)

     Length

    (b)

    Area

    (c)

    Volt

    (d)

    Current

  13. Which of the following laboratory apparatus is used during the verification of Ohm's law?

    (a)

    Voltmeter

    (b)

    Ammeter

    (c)

    Rheostat

    (d)

    All the above

  14. Kilowatt - hour is the unit of

    (a)

    Power

    (b)

    Potential difference

    (c)

    Force

    (d)

    Electrical energy

  15. If resistance decreases, then current will

    (a)

    increase

    (b)

    double

    (c)

    decrease

    (d)

    constant

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