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प्रश्न
Draw a labelled characteristic curve (l-V graph) for a semiconductor diode during forward bias.
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संबंधित प्रश्न
With reference to semiconductor devices, define a p-type semiconductor and a Zener diode.
Draw a labelled diagram of a full wave rectifier. Show how output voltage varies with time if the input voltage is a sinusoidal voltage.
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The gain factor of an amplifier in increased from 10 to 12 as the load resistance is changed from 4 kΩ to 8 kΩ. Calculate (a) the amplification factor and (b) the plate resistance.
Depletion layer in p - n junction diode consists of
When an electric field is applied across a semiconductor ______.
- electrons move from lower energy level to higher energy level in the conduction band.
- electrons move from higher energy level to lower energy level in the conduction band.
- holes in the valence band move from higher energy level to lower energy level.
- holes in the valence band move from lower energy level to higher energy level.
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- large velocity of the minority charge carriers if the doping concentration is small.
- large velocity of the minority charge carriers if the doping concentration is large.
- strong electric field in a depletion region if the doping concentration is small.
- strong electric field in the depletion region if the doping concentration is large.
Can the potential barrier across a p-n junction be measured by simply connecting a voltmeter across the junction?
Describe briefly the following term:
breakdown voltage in reverse biasing
With reference to a semiconductor diode, define the depletion region.
