PN Junction Diode: Biasing and Characteristics

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What happens to the base-emitter junction when a voltage is applied to it?

It becomes zero-biased

It remains unchanged

It becomes reverse-biased

It becomes forward-biased (correct)

What is the primary function of a transistor in the active region?

To switch the output current

To filter the output current

To regulate the output voltage

To amplify the output current (correct)

What is the state of the transistor in the cutoff region?

It is in the 'active' state

It is in the 'off' state (correct)

It is in the 'saturation' state

It is in the 'on' state

What is the purpose of the thin and lightly doped base region?

To prevent recombination of holes and electrons Signup and view all the answers

What is the nature of the base-collector junction in the active region?

Reverse-biased Signup and view all the answers

What is the application of NPN transistors in linear voltage regulators?

Voltage regulation Signup and view all the answers

What is the state of the transistor in the saturation region?

Both junctions are forward-biased Signup and view all the answers

What is the purpose of the emitter region in an NPN transistor?

To provide a path for holes to flow from the emitter to the base Signup and view all the answers

What is the significance of the electric field created by the reverse-biased base-collector junction?

It repels holes away from the base Signup and view all the answers

What is the application of NPN transistors in push-pull amplifiers?

Power amplification Signup and view all the answers

PN Junction Diode: Biasing and Characteristics

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Questions and Answers

What happens to the base-emitter junction when a voltage is applied to it?

What is the primary function of a transistor in the active region?

What is the state of the transistor in the cutoff region?

What is the purpose of the thin and lightly doped base region?

What is the nature of the base-collector junction in the active region?

What is the application of NPN transistors in linear voltage regulators?

What is the state of the transistor in the saturation region?

What is the purpose of the emitter region in an NPN transistor?

What is the significance of the electric field created by the reverse-biased base-collector junction?

What is the application of NPN transistors in push-pull amplifiers?

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