Q. When a p-n junction is reverse biased

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Q. If a sample of germanium and a sample of Si have the impurity density and are kept at room temperature then

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Q. When a large number of atoms are brought together to form a crystal

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Q. What is the effect of cut in voltage on the wave form of output as compared to input in a semiconductor diode?

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Q. As temperature increases the number of free electrons and holes in an intrinsic semiconductor

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Q. At room temperature kT = 0.03 eV.

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Q. Assertion (A): A JFET behaves as a resistor when VGS < VP.

Reason (R): When VGS < VP, the drain current in a JFET is almost constant.

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Q. In a reverse biased P-N junction, the current through the junction increases abruptly at

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Q. As comparated to an ordinary p-n diode, the extent of impurity atoms in a tunnel diode

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Q. In active filter circuits, inductances are avoided mainly because they

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Q. When a p-n-p transistor is operating in active region, the current in the n region is due to

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Q. In a JFET

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Q. Fermi level in intrinsic semiconductor is at the centre of forbidden energy band.

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Q. In a photo transistor the photocurrent is

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Q. In photoelectric emission the maximum kinetic energy of emitted electron is proportional to

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Q. Hall effect is observed in a specimen when it is carrying current and is placed in a magnetic field. The resulting electric field inside the speciment will be in

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Q. In a p-n-p transistor operating in forward active mode

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Q. Consider the following statements.

1. Etching
2. Exposure to UV radiation
3. Stripping
4. Developing

After a wafer has been coated with photo resist the correct sequence of these steps in photolithography is

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Q. If both the emitter base and the collector base junctions of a bipolar transistor are forward biased, the transistor is in the

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Q. In a triode the potential of grid (with respect to cathode) is usually

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