Electronic Devices and Circuits - ECE Questions and Answers

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The below diagram represents ____

N channel JFET

P channel JFET

BJT

none of these

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_______ is the terminal through which the majority carriers enter the bar in FET

Source

Drain

Gate

none of these

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_______ is the terminal through which the majority carriers leave the bar in FET

Source

Drain

Gate

none of these

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The symbols below comes under which category of MOSFET

N channel mosfet depletion type, p channel mosfet depletion type

N channelmosfetenhancement type, p channelmosfetenhancement type

N channel mosfet depletion type, p channel mosfet depletion type

P channel mosfet depletion type, n channel mosfet depletion type

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The below symbol represents

MOSFET

FET

BJT

SCR

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The below symbol is known as ________

FET

SCR

BJT

UJT

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_________ circuit converts the electrical energy in the form of DC into electrical energy in the form of AC

Oscillator

Amplifier

Transistor

none of these

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The below circuit is known as _________

LC Tank Circuit

JFET R C Phase shift oscillator

colpitts oscillator

Hartely oscillator

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Answer : Option A

Explanation :

LC Tank Circuit

An LC Tank circuit is also called as resonant circuit or tuned circuit consists of an inductor represented by L & capacitor represented by C. The circuit can act as an electrical resonator, an electrical analogue of a tuning fork, storing energy oscillating at the circuit's resonant frequency.

The below circuit is known as ____________

LC Tank Circuit

colpitts oscillator

Hartely oscillator