Electronics and Experimental Methods (CSIR Physical Sciences): Questions 34 - 36 of 44

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Question number: 34

» Electronics and Experimental Methods » Filtering and Noise Reduction

Appeared in Year: 2012

MCQ▾

Question

Band – pass and band – reject filters can be implemented by combining a low pass and a high pass filter in series and in parallel, respectively. If the cut – off frequencies of the low pass and high pass filter are ω0LP and ω0HP , respectively, the condition required to implement the band pass and band reject filter are, respectively – (December)

Choices

Choice (4) Response

a.

ω0HP>ω0LPandω0HP<ω0LP

b.

ω0HP>ω0LPandω0HP>ω0LP

c.

ω0HP<ω0LPandω0HP<ω0LP

d.

ω0HP<ω0LPandω0HP>ω0LP

Question number: 35

» Electronics and Experimental Methods » Opto-Electronic Devices » Solar Cells

Appeared in Year: 2012

MCQ▾

Question

The output characteristic of a solar panel at a certain level of irradiance is shown in the figure below.

The output characteristic of solar panel

The Output Characteristic of Solar Panel

In figure the output characteristic of the solar panel at certain level of irradiance.

If the solar cell is to power a load of 5Ω , the power drawn by the load is –

(December)

Choices

Choice (4) Response

a.

45W

b.

50W

c.

73W

d.

97W

Question number: 36

» Electronics and Experimental Methods » Digital Techniques and Applications » Registers

Appeared in Year: 2012

MCQ▾

Question

The output (O) of the given circuit in cases (I) and (II) , where;

Case I: A,B=1;C,D=0;E,F=1andG=0

Case II: A,B=0;C,D=0;E,F=0andG=1

are respectively,

A logical circuit with five gates

A Logical Circuit With Five Gates

In figure a logical circuit of five gates is shown.

(June)

Choices

Choice (4) Response

a.

0, 0

b.

1, 1

c.

0, 1

d.

1, 0

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