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Daily Practice Quiz 9: Electronic Devices
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Question 1
A Zener diode acts as normal PN junction diode when:
Question 2
PN junction diode can be used as a/an
Question 3
The i–v characteristics of the diode in the circuit given below are
The current in the circuit is
The current in the circuit is
Question 4
A silicon p+n junction at T = 300K has doping concentrations of Na = 1018 cm-3 and Nd = 5 × 1015 cm-3. The cross-sectional area of the junction is A = 5 × 10-5 cm2. What will be the junction capacitance for the applied reverse voltage, VR = 3V?
Question 5
Direction: A germanium p+n diode at T = 300K has the following parameters:
Na = 1018 cm-3, Nd = 1016 cm-3, Dp = 49 cm2/s,
Dn = 100 cm2/s,
τp0 = τn0 = 4 μs and A = 10-4 cm2
The diode current for a forward-bias voltage of 0.2 V will be
Question 6
Direction: A germanium p+n diode at T = 300K has the following parameters:
Na = 1018 cm-3, Nd = 1016 cm-3, Dp = 49 cm2/s,
Dn = 100 cm2/s,
τp0 = τn0 = 4 μs and A = 10-4 cm2
The diode current for a reverse-bias voltage of 0.2 V will be
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May 14ESE & GATE EC
