# Analog Circuits-Simple Diode Circuits [GATE (Graduate Aptitude Test in Engineering) Electronics]: Questions 1 - 4 of 27

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## Question 1

Appeared in Year: 2013

### Question MCQ▾

A voltage 1000 Volts is applied across YZ. Assuming ideal diodes, the voltage measured across WX in Volts, is

### Choices

Choice (4)Response

a.

0 for all t

b.

c.

d.

Edit

## Question 2

Appeared in Year: 2013

### Question MCQ▾

In the circuit shown below, the knee current of the ideal Zener diode is 10 mA. To maintain 5 V across , the minimum value of in and the minimum power rating of the Zener diode in mW, respectively, are

### Choices

Choice (4)Response

a.

125 and 125

b.

250 and 250

c.

125 and 250

d.

250 and 125

Edit

### Passage

In the circuit shown below, assume that the voltage drop across a forward biased diode is 0.7 V. the thermal voltage the small signal input where

## Question 3 (1 of 1 Based on Passage)

Appeared in Year: 2011

### Question MCQ▾

The AC output voltage is

### Choices

Choice (4)Response

a.

0.25

b.

2

c.

22

d.

1

Edit

## Question 4

Appeared in Year: 2013

### Question MCQ▾

In the circuit shown below, has negligible collector-to-emitter saturation voltage and the diode drops negligible voltage across it under forward bias. If is + 5 V, X and Y are digital signals with 0 V as logic 0 and as logic 1, then the Boolean expression for Z is

### Choices

Choice (4)Response

a.

b.

c.

XY

d.

Edit