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CBSE-XI-Physics

41: Electric Current through Gases

with Solutions - page 2
Qstn# ii-6 Prvs-QstnNext-Qstn
  • #6
    A diode, a resistor and a 50 Hz AC source are connected in series. The number of current pulses per second through the resistor is
    (a) 25
    (b) 50
    (c) 100
    (d) 200.
    digAnsr:   b
    Ans : (b) 50
    The number of current pulses is equal to the frequency of the AC source because one current pulse passes through the diode for one oscillation of the AC source.
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