Question # 1

A diode characteristics curve is a plot between

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Current and resistance

Voltage and time

Voltage and current

Current and time

When a PN-Junction is reverse biased the depletion region is.

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Widened

Narrowed

Normal

None of these

A diode characteristic curve is a plot between

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Current and time

Voltage and time

Voltage and current

Forward voltage and reverse voltage

A light emitting diode emits light only when

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Reverse biased

Forward biased

Unbiased

None of these

_______ is the building block of every electronic circuit.

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Semi conductor diode

Resistor

Capacitor

Amplifier

The output voltage of a rectifier is.

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Smooth

Pulsating

Alternating

Per featly direct

A transistor has:

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Two regions

Three regions

Single regions

Four regions

The average gap for Germanium at 0K is

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1.12 ev

0.02 ev

6.72 ev

7.2 ev

The circuit of full wave rectification consist of

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Three diodes

Four diodes

Two diodes

One diode

The term invertor is used for.

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NOR gate

XNOR gate

NAND gate

NOT gate

Which device is used as a rectifier?

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Capacitor

Transistor

Diode

Transformer

When transistor are used in digital circuits they usually operate in the :

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Active region

Break down region

Saturation & cutoff regions

Linear region

Rectification is the process of converting.

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D.C. into A.C.

A.C. in to D.C.

Low signal to high

High signal to low

Truth table of logic function.

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Summarize its output values only

Tabulates all its input conditions only

Display all its input and output possibility

Is not base on logic algebra

The p-n junction in which p side is connected to+ive and n-side is -ve the junction is said to be:

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Neutral

Forward biased

Reversed biased

None of above

Which one has greater cone of impurity among all:

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Emitter

Base

Collector

All are pure

The semi conductor diode has the property of

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Two way conduction

Zero conduction

One way conduction

Amplification

The potential difference across the depletion region of germanium is.

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0.3 V

0.5 V

0.7 V

0.8 V

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