Electronic Devices
Semiconductors, p-n junction, diodes, transistors, logic gates basics.
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Take a full mock →Q1 · Electronic Devices · EASY
The approximate band gap of silicon at room temperature is:
Q2 · Electronic Devices · EASY
In a p-n junction diode under forward bias condition, the width of the depletion region:
Q3 · Electronic Devices · MEDIUM
In a common emitter transistor amplifier circuit, the current gain β is 100. If the base current changes by 20 microamperes, what is the change in collector current?
Q4 · Electronic Devices · HARD
A Zener diode has a breakdown voltage of 6.0 V. It is used in a voltage regulator circuit with a series resistance of 200 ohms connected to a 10 V supply. If the load draws a current of 10 mA, what is the current through the Zener diode? (Assume Zener operates in breakdown region)
Q5 · Electronic Devices · MEDIUM
In a common-emitter amplifier circuit, the current gain is 50. If the base current is 40 μA, the collector current is: