EDC - I

In a semiconductor which of the following carries can contribute to the current?

• Electrons

• Holes

• Both

• None

Electrons from valence band rises to conduction band when the temperature is greater than 0 k. Is it True or False?

• True

• False

In which of the following semiconductor, the concentration of the holes and electrons is equal?

• Intrinsic

• Extrinsic

• Compound

• Elemental

Does a semiconductor satisfy the ohm’s law?

• True

• False

If the positive terminal of the battery is connected to the anode of the diode, then it is known as

• Forward biased

• Reverse biased

• Equilibrium

• Schottky barrier

During reverse bias, a small current develops known as

• Forward current

• Reverse current

• Reverse saturation current

• Active current

If the voltage of the potential barrier is V0. A voltage V is applied to the input, at what moment will the barrier disappear?

• V< V0

• V= V0

• V> V0

• V<< V0

Is possible to measure the voltage across the potential barrier through a voltmeter?

• Yes

• No

The advantages over the vacuum triode for a junction transistor

• high power consumption

• high efficiency

• large size

• less doping

In an NPN transistor, the arrow is pointed towards_________

• a) the collector

• b) the base

• c) depends on the configuration

• d) the emitter