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Choose the correct alternative and write it along its allotted alphabet:
When three resistors, each of resistance R, are connected in parallel the effective resistance is `10 Omega`. Hence, R must be……
A. `5 Omega`
B. `10 Omega`
C. `20 Omega`
D. `30 Omega`

A

`5 Omega`

B

`10 Omega`

C

`20 Omega`

D

`30 Omega`

Text Solution

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The correct Answer is:
D
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NAVNEET PUBLICATION-CURRENT ELECTRICITY-EXERCISE
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  9. State whether the following statements are true or false: The convent...

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  10. State whether the following statements are true or false: Silver and ...

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  11. State whether the following statements are true or false: Resistivit...

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  12. State whether the following statements are true or false: Resistivity...

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  13. State whether the following statements are true or false: The electri...

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  14. State whether the following statements are true or false: The materi...

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  15. State whether the following statements are true or false: The SI unit...

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  16. Find the odd one out and give the reason: Copper, silver, aluminium,...

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  17. Find the odd one out and give the reason: Aluminium, silver, Gold, N...

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  18. Find the odd one out and give the reason: Rubber, glass, aluminium, ...

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  19. Find the odd one out and give the reason: The joule, The erg, The ca...

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  20. Match the columns:

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