# NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1706 - 1711 of 2320

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## Question number: 1706

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MCQ▾

### Question

Figure gives a system of logic gates. From the study of truth table it can be found that to produce a high output (1) at R, we must have

### Choices

Choice (4)Response

a.

X = 0, Y = 1

b.

X = 1, Y = 0

c.

X = 0, Y = 0

d.

X = 1, Y = 1

## Question number: 1707

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MCQ▾

### Question

The following truth table corresponds to the logic gate

 A B X 0 0 0 0 1 1 1 0 1 1 1 1

### Choices

Choice (4)Response

a.

NAND

b.

OR

c.

XOR

d.

AND

## Question number: 1708

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MCQ▾

### Question

In a transistor in CE configuration, the ratio of power gain to voltage gain is

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 1709

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MCQ▾

### Question

In the case of constants α and β of a transistor

### Choices

Choice (4)Response

a.

α = β 2

b.

β > l, α < 1

c.

β < l, α > l

d.

α = β

## Question number: 1710

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MCQ▾

### Question

In the case of a common emitter transistor as/an amplifier, the ratio is 0.96, then the current gain (β) of the amplifier,

### Choices

Choice (4)Response

a.

12

b.

48

c.

24

d.

6

## Question number: 1711

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MCQ▾

### Question

A NPN transistor conducts when

### Choices

Choice (4)Response

a.

Collector is positive and emitter is negative with respect to the base

b.

collector and emitter are positive with respect to the base

c.

Collector is positive and emitter is at same potential as the base

d.

collector and emitter are negative with respect to the base

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