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Three equal resistance each of 3Omega ar...

Three equal resistance each of `3Omega` are in series and connected to cell of internal resistance one ohm. If three resistances are parallel and connected to the same cell. Then the ratio of the respective currents through the electric circuits in the two cases is

A

`1//8`

B

`1//7`

C

`1//5`

D

`1//3`

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-CURRENT ELECTRICITY-EXERCISE - III
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  8. The current through 10Omega resister in the figure is approximately

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  9. A current of 3A flows in a circuit the potential difference between th...

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  10. A bettery of 10 V and negligible internal resistance is connected acro...

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  11. In the circuit shown in the figure, if potential at point A is taken t...

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  15. In a metere bridge. The balance length from left end (standard resista...

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  16. A battery of internal resistance 4Omega is connected to the network of...

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  17. In a metre bridge , the gaps are enclosed by resistances of 2omega and...

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  18. The resistances in the two arms of the mater bridge are 5Omega and ROm...

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  19. A student finds the balancing length to be .l. with a cell of constant...

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  20. In an experiment with potentiometer to measure the internal resistance...

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