Current Electricity-Electrical Resistance [BITSAT (Birla Institute of Technology & Science Admission Test) Physics]: Questions 1 - 5 of 5

Choose Programs:

🎯 501 MCQs (& PYQs) with Full Explanations (2024-2025 Exam)

Rs. 350.00 -OR-

3 Year Validity (Multiple Devices)

CoverageDetailsSample Explanation

Help me Choose & Register (Watch Video) Already Subscribed?

Question 1

Question MCQ▾

When current flows in a conductor, then the ratio of the intensity of electric field at any point within the conductor and the current density at a point is called –

Choices

Choice (4)Response

a.

Inductance

b.

Specific resistance

c.

Resistance

d.

Conductance

Edit

Question 2

Question MCQ▾

The resistance of a long wire is . The wire is stretched to form a uniform wire of length. The resistance now will be –

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 3

Question MCQ▾

If a copper wire is stretched to make its radius decrease , then change in its resistance is approximately,

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 4

Appeared in Year: 2021

Question MCQ▾

A wire of a certain material is stretched slowly by ten per cent. Its new resistance and specific resistance become respectively:

Choices

Choice (4)Response

a.

times, same

b.

times, times

c.

times, times

d.

Question does not provide sufficient data or is vague

Edit

Question 5

Appeared in Year: 2019

Question MCQ▾

Twelve resistors each of resistance are connected in the circuit as shown. The net resistance between A and B is

The Net Resistance between a and B

Choices

Choice (4)Response

a.

b.

c.

d.

Edit