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A wire of resistance 20 Omega is bent to...

A wire of resistance `20 Omega` is bent to form a complete circle. The resistance between two diametrically opposite points A and B as shown in the figure, is

A

`5 Omega`

B

`20 Omega`

C

`10 Omega`

D

`15 Omega`

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The correct Answer is:
A
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AAKASH INSTITUTE ENGLISH-Mock Test27-EXAMPLE
  1. A wire of resistance 20 Omega is bent to form a complete circle. The r...

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  2. Find the equivalent resistance between points A and B.

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  3. Calculate the equivalent resistance between the points A and B in Fig.

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  4. In the given figure, equivalent resistance between points P and Q is

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  5. If the ammeter in given circuit reads 1 A, then resistance R is

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  6. If the power dissipated in the 27 Omega resistor in the circuit shown ...

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  7. The resistance between the lerminal points P and Q of the given infini...

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  8. A battery of EMF 10 V, with internal resistance 1 Omega is being charg...

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  9. A battery of EMF E produces currents 4 A and 3 A when connected to ext...

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  10. A 5 V battery with internal resistance 1 Omega and a 2 V battery with...

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  11. n identical cells each of e.m.f. E and internal resistance r are conne...

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  12. Two sources of equal emf are connected to an external resistance R. Th...

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  13. A cell of internal resistance r drivers current through an external r...

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  14. To get maximum current through a resistance of 2.5Omega, one can use ...

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  15. For a cell, a graph is plotted between the potential difference V acro...

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  16. If electric bulbs having resistances in the ratio 2 : 3 are connected ...

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  17. Two bulbs 100 W, 250 V and 200 W, 250 V are connected in parallel acro...

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  18. Fill in the blanks :

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  19. The following figure shows a part of a circuit,the potential differenc...

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  20. In the given circuit. If the potential at A is 95 V, then the potentia...

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