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प्रश्न
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 __________ .
पर्याय
25
50
100
200
उत्तर
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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संबंधित प्रश्न
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In a p-n junction with open ends,
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(c) there is no net charge transfer between the two sides
(d) there is a constant electric field near the junction.
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(b) a p-type semiconductor
(c) an n-type semiconductor
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Consider a p-n junction diode having the characteristic \[i - i_0 ( e^{eV/kT} - 1) \text{ where } i_0 = 20\mu A\] . The diode is operated at T = 300 K . (a) Find the current through the diode when a voltage of 300 mV is applied across it in forward bias. (b) At what voltage does the current double?
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(Assume that the resistance of each diode is zero in forward bias and is infinity in reverse bias.)
Draw the current-voltage characteristics for the device show in figure between the terminals A and B.
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