# AIIMS (All India Institute of Medical Sciences) Physics: Questions 313 - 317 of 500

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## Question number: 313

MCQ▾

### Question

Consider an N – P – N transistor amplifier in common-emitter configuration. The current gain of the transistor is 80. If the collector current changes by 4 mA, what will be the change in emitter current –

### Choices

Choice (4) Response

a.

1.04mA

b.

20 mA

c.

4.05 mA

d.

1.5 mA

## Question number: 314

MCQ▾

### Question

A capacitor of capacitance is connected in the tank circuit of an oscillator oscillating with a frequency of 2 kHz. If the current flowing in the circuit is 4 mA, the voltage across the capacitor will be –

### Choices

Choice (4) Response

a.

0.18 V

b.

142 V

c.

0.21 V

d.

60.0 V

## Question number: 315

MCQ▾

### Question

A container filled with 1 mole of gas at a temperature 300 K. The pressure of the gas is . A same sized container filled with 1 mole of gas at a temperature . If the pressure of -gas is , then –

(Molar mass of gas is 32 and molar mass of is 4)

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 316

MCQ▾

### Question

If mass defect of an alpha particle is 0.05 amu, what is its binding energy per nucleon?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 317

Appeared in Year: 2005

MCQ▾

### Question

A 50 Hz a. c. source of 50 volts is connected across R and C as shown in figure below. The voltage across R is 20 volts. The voltage across C is – The Series Circuit Diagram of Resistance and Capacitor In figure resistance R and capacitor C is connected in series, with 50 Hz a. c. source of 50 volts supply.

### Choices

Choice (4) Response

a.

46 V

b.

90 V

c.

25 V

d.

9 V