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An electric current is passed through a ...

An electric current is passed through a circuit containing two wires of the same material connected in parallel. If the lengths and radii of the wire are in the ratio `(4)/(3)` and `(2)/(3)`, then the ratio of the currents passing through the wires will be

A

3

B

`1//3`

C

`8//9`

D

2

Text Solution

Verified by Experts

The correct Answer is:
B
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MOTION-CURRENT ELECTRICITY-EXERCISE -3 SECTION -B (PREVIOUS YEAR PROBLEMS JEE MAIN)
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  10. A material 'B' has twice the specific resistance of 'A'. A circular wi...

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  11. The Kirchhoff's first law (Sigmai = 0) and second law (SigmaiR = Sigma...

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  12. The current I drawn from the 5 volt source will be

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  13. In a Wheatstone's bridge, three resistances P,Q and R connected in the...

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  14. An electric bulb is rated 220 volt - 100 watt. The power consumed by i...

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  15. The resistance of a wire is 5 ohm at 50^@C and 6 ohm at 100^@C. The re...

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  16. A 5V battery with internal resistance 2Omega and a 2V battery with int...

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  17. Consider a block of conducting material of resistivity 'rho' shown in ...

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  18. Consider a block of conducting material of resistivity 'rho' shown in ...

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  19. Statement-1: The temperature dependence of resistance is usually given...

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  20. Two conductors have the same resistance at 0^@C but their temperature ...

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