Electronic Devices (JEE (Based on NTA Guidelines-IIT Engg.) Advanced Physics): Questions 1 - 2 of 3

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Question number: 1

» Electronic Devices » Diode as a Rectifier

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Appeared in Year: 2009

MCQ▾

Question

A p – n junction shown in the figure can act as a rectifier. An alternating current source is connected in the circuit.

 p – n junction as rectifier

P – N Junction as Rectifier

In figure p – n junction as rectifier is given.

The current in the resistor can be shown by, (AIEEE)

Choices

Choice (4) Response

a.

Alternating current : Choice – A

Alternating Current: Choice – A

In figure alternating current is shown.

b.

Alternating current : Choice – B

Alternating Current: Choice – B

In figure alternating current is shown.

c.

Alternating current : Choice – C

Alternating Current: Choice – C

In figure alternating current is shown.

d.

Alternating current : Choice – D

Alternating Current: Choice – D

In figure alternating current is shown.

Question number: 2

» Electronic Devices » Logic Gates (Or, and, NOT, NAND and Nor)

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Appeared in Year: 2009

MCQ▾

Question

The logic circuit shown below has the input waveforms and as shown. Pick out the correct output waveform.

 A logic circuit with input waveforms

A Logic Circuit with Input Waveforms

In figure a logic circuit with input wave with input waveforms is shown.

(AIEEE)

Choices

Choice (4) Response

a.

Time diagram of output : Choice – A

Time Diagram of Output: Choice – A

In figure time diagram of output of given logic circuit is shown.

b.

Time diagram of output : Choice – B

Time Diagram of Output: Choice – B

In figure time diagram of output of given logic circuit is shown.

c.

Time diagram of output : Choice – C

Time Diagram of Output: Choice – C

In figure time diagram of output of given logic circuit is shown.

d.

Time diagram of output : Choice – D

Time Diagram of Output: Choice – D

In figure time diagram of output of given logic circuit is shown.

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