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.
Answers
Answer:
50 number of current pulses per second through resistor
For one AC source oscillation, another current pulse moves via the diode.
Explanation:
Option (b) is correct.
The rate of current pulses is equivalent to the source of the AC frequency, so for one AC source oscillation, another current pulse moves via the diode. Therefore option (b) 50 is right.
Diode:- A diode is an electronic element with 2 electrodes which allows electricity to pass in one path and not in another path.
Oscillation:- Oscillation applies to any intermittent motion moving distantly around the place of equilibrium and repeating itself again for time of period.
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In a plot of photo electric current v/s anode potential how does
(a) the saturation current varies with anode potential for incident radiations of different frequencies but same intensity.
(b) the stopping potential varies for different intensities but same frequency of incident radiation
(c) photoelectric current varies for different intensities but same frequency of incident radiation?
justify your answer in each case.
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Why saturation current does not vary with frequency in photoelectric effect ?
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