| 1. | Almost all resistors are made in a monolithic integrated circuit ? | |
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during the base diffusion
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while growing the epitaxial layer
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during the collector diffusion
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during the emitter diffusion
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Report Question| 2. | In a JFET, drain current is primarily controlled by ? | |
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voltage drop across channel
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size of depletion region
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gate reverse bias
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channel resistance
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| 3. | How can the channel width in a junction field effect transistor be controlled ? | |
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By the length of the source
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By the length of both the source and the drain
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By the length of the drain
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By two back-biased p-n junctions
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| 4. | For the operation of N-channel E-MOSFET it is necessary that gate voltage is ? | |
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highly positive
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low positive
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zero
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highly negative
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| 5. | In a MOSFET, the transfer characteristics can be used to determine which of the following device parameters ? | |
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Threshold voltage and transconductance
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Threshold voltage and output resistance
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Transconductance and output resistance
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Transconductance and channel length modulation parameters
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| 6. | Body effect in MOSFETs results in ? | |
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decrease in the value of transconductance
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increase in the value of output resistance
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change in the value of threshold voltage
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increase in the value of transconductance
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| 7. | In a CMOS CS amplifier, the active load is obtained by connecting ? | |
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n-channel transistor
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p-channel current mirror circuit
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BJT current mirror
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p-channel transistor
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| 8. | The extremely high input impedance of a MOSFET is primarily because of ? | |
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-ve Vgs
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absence of its channel
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depletion of current carriers
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extremely small leakage current of its gate capacitor
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| 9. | In n-channel enhancement MOSFET, at a fixed drain voltage ? | |
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the drain current is zero for negative bias voltage to gate and it increases as the negative gate bins is decreased in magnitude
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the drain current is maximum at zero gate voltage and it decreases with applied negative gate voltage
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the drain current has a finite value at zero gate voltage and it increases or decreases with the applied voltage of proper polarity
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the drain current is zero at zero gate voltage and it increases with the positive applied gate voltage
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| 10. | Which of the following devices is used in the microprocessors ? | |
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CMOS
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JFET
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MOSFET
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BJT
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