Basic Electronic Devices

Which one is resistor from the given option?

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Which one is resistor from the given option?

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A diode can act as

• A Switch

• A Rectifier

• An Amplifier

• All the above

The potential difference created across the P-N junction due to the diffusion of electrons and holes is called___________

• potential barrier

• back emf

• instantaneous speed

What is this?

• Television

• Pot?

• LDR

• Resistor?

To work as a Amplifier, the transistor has to be operated in

• Cut off region

• Saturation region

• Active region

• All of the above

Efficiency of a centre tapped full wave rectifier is _________

a) 50%

b) 46%

c) 70%

d) 81.2%

• 50%

• 46%

• 70%

• 81.2%