Electronic Devices [HBCSE Olympiads (Homi Bhabha Centre for Science Education) NSEP (Physics)]: Questions 1 - 2 of 2

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Question 1

Electronic Devices

Appeared in Year: 2016

Question

MCQ▾

The fundamental frequency of the output of a bridge rectifier driven by ac mains is –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 2

Electronic Devices

Appeared in Year: 2016

Question

MCQ▾

The adjacent figure shows I – V characteristics of a silicon diode. In this connection three statements are made –

(I) The region OC corresponds to reverse bias of the diode,

(II) The voltage at point A is about 0.2 volt, and

(III) Different scales have been used along and directions of Y – axis.

Therefore,

I-V Characteristic of Silicon Diode

Choices

Choice (4)Response

a.

Only statements are correct

b.

Only statement are correct

c.

All statements are correct

d.

Only statement is correct