NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 528 - 530 of 2320

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Question number: 528

» Current Electricity » Electric Cell and Its Internal Resistance

Edit
Assertion-Reason▾

Question

Assertion (Ꭺ)

In the circuit shown, , if

Circuit of battery and resistance.

Circuit of Battery and Resistance

Reason (Ꭱ)

Potential difference across terminals of a non-ideal battery is less than its emf when i current flow through it.

Choices

Choice (4)Response

a.

Both Ꭺ and Ꭱ are false

b.

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

c.

Ꭺ is false but Ꭱ is true

d.

Ꭺ is true but Ꭱ is false

Question number: 529

» Current Electricity » Electric Cell and Its Internal Resistance

Edit
Assertion-Reason▾

Question

Assertion (Ꭺ)

A larger dry cell has higher emf.

Reason (Ꭱ)

The emf of a dry cell is independent of its size.

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 false

d.

Ꭺ is false but Ꭱ is true

Question number: 530

» Magnetic Effects of Current and Magnetism » Electric Charge Moving in Magnetic Field

Edit
MCQ▾

Question

In the figure the two parallel wires PQ and ST are at 30 cm apart. The currents flowing in the wires are according to figure. The force acting over a length of 5m of the wires is-

Two parallel current carrying wires

Two Parallel Current Carrying Wires

(1) 5 x 10 -4 N (2) attraction

(3) 5 x 10 -8 N (4) repulsion

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

Choices

Choice (4)Response

a.

1 and 2 are correct

b.

1,2 and 3 are correct

c.

1 and 3 are correct

d.

2 and 4 are correct

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