JEE Main 30 June 2022 Shift 1 Solved Paper

Section: Physics

Question : 45 of 90

Marks: +1, -0

An electric cable of copper has just one wire of radius 9‌mm. Its resistance is 14Ω. If this single copper wire of the cable is replaced by seven identical well insulated copper wires each of radius 3‌mm connected in parallel, then the new resistance of the combination will be :

[30-Jun-2022-Shift-1]

9Ω
18Ω
28Ω
126Ω

Validate

Go to Question:

Prev Question

Next Question