NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 496 - 499 of 2320

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Question number: 496

» Current Electricity » Electric Cell and Its Internal Resistance

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MCQ▾

Question

An ammeter with internal resistance 90 Ω reads 1.85 A when connected in a circuit containing a battery and two resistors 700 Ω and 410 Ω in series. Actual current will be

Choices

Choice (4)Response

a.

Less than 1.85 A

b.

Greater than 1.85 A

c.

1.85 A

d.

Question does not provide sufficient data or is vague

Question number: 497

» Current Electricity » Electric Cell and Its Internal Resistance

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Assertion-Reason▾

Question

Assertion (Ꭺ)

voltammeter measures current more accurately than ammeter.

Reason (Ꭱ)

Relative error will be small if measured from voltammeter.

Choices

Choice (4)Response

a.

Both Ꭺ and Ꭱ are false

b.

Ꭺ is true but Ꭱ is false

c.

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

d.

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

Question number: 498

» Current Electricity » Potentiometer

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MCQ▾

Question

A potentiometer has uniform potential gradient across it. Two cells connected in series (i) to support each other and (ii) to oppose each other are balanced over 6m and 2m respectively on the potentiometer wire. The emf of the cells are in the ratio of

Choices

Choice (4)Response

a.

1: 1

b.

1: 2

c.

2: 1

d.

3: 1

Question number: 499

» Current Electricity » Electrical Resistance

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MCQ▾

Question

In the fig below the bulbs are identical, The bulbs, light most brightly are

Circuit diagram with A, B, C, D and F bulbs.

Circuit Diagram with a, B, C, D and F Bulbs

Select the correct answers and mark it according to the following codes:

1. A

2. B

3. F

4. D

5. C

Choices

Choice (4)Response

a.

1,2 and 3 are correct

b.

1 and 3 are correct

c.

2 and 4 are correct

d.

1 and 2 are correct

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