BJT is three terminal device which stands for bipolar junction transistor. Which of the following are true about BJT.
1. Base has smallest area to reduce the transit time.
2. collector is provided with the largest area to withstand heat dissipation.
3. BJT is a current controlled device.
4. BJT is a voltage controlled device.
A. 1, 2 and 3
B. 1, 2 and 4
C. only 1 and 2
D. only 2 and 4
Answer: Option A
This Question Belongs to Electronics And Communications Engineering >> Analog Electronics
The action of JFET in its equivalent circuit can best be represented as a
A. Current controlled Current source
B. Current controlled voltage source
C. Voltage controlled voltage source
D. Voltage controlled current source
In a p+n junction diode under reverse bias, the magnitude of electric field is maximum at
A. The edge of the depletion region on the p-side
B. The edge of the depletion region on the n-side
C. The p+n junction
D. The center of the depletion region on the n-side
To prevent a DC return between source and load, it is necessary to use
A. Resistor between source and load
B. Inductor between source and load
C. Capacitor between source and load
D. Either A or B
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