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Three unequal resistors in parallel are ...

Three unequal resistors in parallel are equivalent to a resistance `1Omega`. If two of them are in the ratio `1:2` and if no resistance value is fractional, then the largest of the three resistances in ohms is

A

4

B

6

C

8

D

12

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-APPENDICES ( REVISION EXERCISE )-REVISION EXERCISE (CUTTENT ELECTRICITY )
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  6. A conductor of resistance 3Omega is stretched uniformly till its lengt...

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  8. If the galvanometer reading is zero, in the given circuit. Then the va...

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  9. Th equivalent resistance between points A and B of an infinite network...

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  10. The effective resistance between A and B is the given circuit is

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  11. Equivalent resistance across A and B in the given circuit is

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  12. Calculate the effective resistance between the points A and B in the c...

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  13. The equivalent resistance across XY is

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  14. An aluminium ( alpha(Al) = 4 xx 10^(-3) //""^(0) C) wire resistance R1...

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  15. A carbon filament has resistance of 120Omega at 0^(@)C what must be t...

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  16. The resistance of a metal wire is 10 Omega . A current of 30 mA is flo...

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  17. The maximum voltage that can be applied to 5 KOmega and 8W resistor w...

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  18. Three equal resistors connected in series across a source of emf toget...

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  19. Same mass of copper is drawn into 2 wires of 1 mm thick and 3mm thick....

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  20. Masses of three wires are in the ratio 1:3:5. Their lengths are in the...

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