MOSFET can be used as a
A. Current controlled capacitor
B. Voltage controlled capacitor
C. Current controlled inductor
D. Voltage controlled inductors
Answer: Option B
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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
In MOSFET, gate & channel are separated by a thin layer of SiO2, they form a capacitance that varies along with gate voltage. MOSFET acts like a MOS Capacitor and it is controlled by the input gate to source voltage. Hence, MOSFET can be used as a voltage-controlled capacitor.