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A wire of resistance 18 ohm is bent to f...

A wire of resistance 18 ohm is bent to form an equilateral triangle. The resistance across any two vertices of the triangle is (in ohm) 

A

12

B

6

C

4

D

9

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-CURRENT ELECTRICITY-EXERCISE - II
  1. A network of resistore is connected to a 16 V battery with internal re...

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  2. A wire of resistance 'R' is cut into four equal parts and they are bun...

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  3. A wire of resistance 18 ohm is bent to form an equilateral triangle. T...

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  4. Four conductors of resistance 16Omega each are connected to form a squ...

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  5. A piece of wire of resistance 4Omega is bent through 180^(@) at its mi...

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  6. When two resistances are connected in parallel then the equivalent res...

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  7. A technician has only two resistance coils. By using them singly in se...

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  8. If three wires of equal resistance are given then number of combinatio...

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

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  10. A letter 'A' is constructed of a uniform wire with resistance 1.0Omega...

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

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  12. The effective resistance in series combination of two equal resistance...

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  13. A projector lamp can be used at a maximum voltage of 60V, its resistan...

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  14. The temperature coefficient of resistivity of material is 0.0004/k. Wh...

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  15. When two identical wires made of different materials having resistivit...

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  16. Two metal wires of identical dimensions are connected in series. If si...

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  17. Heat produced in a conductor of resistance 4.2Omega with 10A current i...

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  18. A resistance coil of 60Omega is immersed in 42 kg of water. A current ...

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  19. Two bulbs whose resistances are in the ratio of 1 : 2 are connected in...

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  20. Which of the four resistances P,Q,R and S generate the greatest amount...

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