An amplifier has an open loop gain of 1000±10. Negative feedback is provided such that the gain variation remains within 0.1%. What is the amount of feedback βF?
A. $$\frac{1}{{10}}$$
B. $$\frac{1}{9}$$
C. $$\frac{9}{{100}}$$
D. $$\frac{9}{{1000}}$$
Answer: Option D
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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