Practice Test | Kullabs.com
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  • The unit of current is ______ .

    volt
    columb
    ampere
    watt
  • When there is an electric current passing through a wire, the particles moving are ______ .

    neutrons
    electrons
    protons
    atoms
  • What happens when an electric switch is turned off?

    none of these
    There is a short circuit
    The circuit is broken
    The circuit becomes series circuit
  • A circuit that has only one path for electric flow is ______.

    series circuit
    parallel circuit
    battery circuit
    both series and parallel circuit
  • When the external resistance is negligible in comparison to the internal resistance, the cells are connected in ______ so as keep the current constant.

    series combination
    none of these
    mixed combination
    parallel combination
  • In series circuit, which of the following quantity remains same throughout the circuit ______.

    Current
    none of these
    Current and Voltage
    Voltage
  • Which one of the following is portable cell?

    dry cell
    dynamo cell
    simple cell
    mixed cell
  • The electricity in which electric charge remain in motion is called ______.

    current electricity
    static electricity
    direct current
    alternating current
  • Which one of the following is not source of electricity?

    cell
    photocelll
    bulb
    dynamo cell
  • Depolarizer in dry cell is ______ .

    HCl
    MnO2
    NH4Cl
    H2SO4
  • When a glass rod is rubbed with silk, the charge developed in it is ______.

    neutral
    negative
    positive
    both positive and negative
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