# Current Electricity (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 34 - 39 of 77

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 2142 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 550.00 or

## Passage

In the circuit shown in the figure,

## Question number: 34 (1 of 3 Based on Passage) Show Passage

» Current Electricity » Series and Parallel Combinations of Resistors

MCQ▾

### Question

Rate of dissipation of electrical energy in external resistor is

### Choices

Choice (4) Response

a.

24 W

b.

20 W

c.

14 W

d.

4W

## Question number: 35 (2 of 3 Based on Passage) Show Passage

» Current Electricity » Series and Parallel Combinations of Resistors

MCQ▾

### Question

Rate of dissipation of electrical energy in battery is

### Choices

Choice (4) Response

a.

24 W

b.

20W

c.

4 W

d.

14 W

## Question number: 36 (3 of 3 Based on Passage) Show Passage

» Current Electricity » Series and Parallel Combinations of Resistors

MCQ▾

### Question

Rate of conversion of chemical energy within the battery is

### Choices

Choice (4) Response

a.

4W

b.

20W

c.

14W

d.

24W

## Question number: 37

» Current Electricity » Potentiometer

MCQ▾

### Question

In the shown arrangement of the experiment of the meter bridge if AC corresponding to null deflection of galvanometer is x, what would be value of x if the radius of cross-sectional area the wire AB is doubled

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 38

» Current Electricity » Electrical Resistivity

Assertion-Reason▾

### Assertion (Ꭺ)

The resistivity of a semiconductor decreases with temperature.

### Reason (Ꭱ)

The atoms of a semiconductor vibrate with larger amplitude at higher temperatures thereby increasing its resistivity.

### Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

b.

Ꭺ is true but Ꭱ is false

c.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

d.

Both Ꭺ and Ꭱ are false

## Question number: 39

» Current Electricity » Resistances of Different Materials

MCQ▾

### Question

The shunt required for 10 % of main current to be sent through the moving coil galvanometer of resistance 99 Ω will be

### Choices

Choice (4) Response

a.

90 Ω

b.

0.9 Ω

c.

9.9 Ω

d.

11 Ω

f Page