Q. For signal diodes the PIV rating is usually in the range

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Q. The potential of suppressor grid (with respect to cathode) is usually

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Q. Photoelectric effect occurs only in semiconductors and not in metals.

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Q. Which of these has peak and valley points in v-i curve?

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Q. The scaling factor of an MOS device using constant voltage scaling model, the gate area of the device will be scaled as

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Q. A full wave bridge rectifier is supplied voltage at 50 Hz. The lowest ripple frequency will be

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Q. The output characteristics of a bipolar transistor has three distinct regions. They are known as

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Q. Assertion (A): In a BJT, αdc is about 0.98.

Reason (R): In a BJT, recombination in base region is high.

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Q. Wienbridge oscillator uses

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Q. Which of the following material is preferred for transformer cores operating in micro wave frequency range?

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Q. The ac resistance of a forward biased p-n junction diode operating at a bias voltage V and carrying current 'I' is

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Q. As the temperature of an intrinsic semiconductor material is increased

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Q. In an insulated gate FET, the polarity of inversion layer is the same as that of

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Q. Hall effect can be used to find the type of semiconductor.

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Q. The conductivity of germanium increases by about 6 percent per degree increase in temperature.

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Q. The range of visible light is

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Q. Which of the following materials has the highest electrical conductivity?

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Q. In a bipolar transistor

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Q. Hay bridge is suitable for measuring inductance of which one of the following inductors?

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Q. When a substance is repelled by a magnetic field it is known as

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