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The equivalent resistance between points...

The equivalent resistance between points (A) and (B) in the adjoining fig. is one ohm. What is the value of middle resistance

A

` 9 Omega`

B

`1 Omega`

C

`6 Omega`

D

`3 Omega`

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The correct Answer is:
D
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MOTION-CURRENT ELECTRICITY-EXERCISE -1 (OBJECTIVE PROBLEMS NEET)
  1. The equivalent resistance in series combination is

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  2. A rectangular carbon block has dimensions 1.0 cmxx 1.0 xx50 cm. (i) ...

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  3. The equivalent resistance between points (A) and (B) in the adjoining ...

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  4. Four wires of equal length and of resistance 5ohm each are connected i...

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  5. Five resistance are connected as shown in fig. The effective resistanc...

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  6. In a closed circuit, the vector sum of total e.m.f.s is equal to the s...

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  7. For the following diagram the galvanometer shows zero deflection then ...

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  8. For following circuit the value of total resistance between X an...

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  9. Reading of ammeter is

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  10. In the following circuit the resultant emf between AB is –

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  11. Two cells , each of emf E and internal resistance r, are connected in ...

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  12. A cell of e.m.f (E) and internal resistance (r) is connected in series...

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  13. The terminal potential difference of a cell when short-circuited is (E...

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  14. A storage battery is connected to a charger for changing with a voltag...

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  15. The terminal voltage across a battery of emf E can be

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  16. In the figure shown, battery 1 has emf=6V and internal resistance = 1O...

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  17. In which of the above cells, the potential difference between the term...

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  18. Five dry cell each of e.m.f 1.5V are connected in parallel. The e.m.f ...

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  19. Two bulbs, one of 50 watt and another of 25 watt are connected in seri...

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  20. Constant voltage is applied between the two ends of a uniform metallic...

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