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In figure. ABCDA is a uniform circular w...


In figure. ABCDA is a uniform circular wire of resistance `2Omega,AOC` and BOD are two wires along two perpendicular diameters of the circle, each having ame resistance `1Omega`. A battery of emf `epsi` and internal resistance r is connected between the point A and D. Calculate the equivalent resistance of the network

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The correct Answer is:
`(15)/(4)Omega`
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SL ARORA-ELECTRICAL INSTRUMENTS-Problem for self practice
  1. A certain length of a uniform wire of resistance 12Omega is bent into ...

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  2. find the emf (epsi(0)) and internal resistance (r(0)) if a battery whi...

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  3. In figure. ABCDA is a uniform circular wire of resistance 2Omega,AOC a...

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  4. Three batteries of emf 4,5 and 6V and internal resistances 1,2 and 3Om...

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  5. One ampere of current enters the junction A of a wheatstone bridge ABC...

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  6. In the circuit shown in figure. Find the currents I,I(1),I(2) and I(3)...

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  7. Determine the current flowing through the galvanometer G of the Wheats...

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  8. A current of 0.1 A enters a Wheatstone bridge consisting of three arms...

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  9. The terminals of a battery of emf 3 V and internal resistance 2.5Omega...

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  10. Twelve identical wires each of resistance 6 Omega are arranged to from...

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  11. Twelve equal wires each of resistance r Omega form a cube. The effect...

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  12. A galvanometer has a resistance of 49Omega.If 2% of the main current i...

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  13. how will you convert a 1mA full scale deflection meter of resistance 1...

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  14. Calculate the value of resistance needed to convert a galvanometer of ...

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  15. A galvanometer with a coil of resistance 10.0Omega shows full scale de...

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  16. A galvanometer has an internal resistance 1.0Omega. It given maximum d...

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  17. A galvanometer has a resistance of 15.0Omega and the meter shows full ...

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  18. In galvanometer of resistance 20Omega gives a deflection of one divisi...

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  19. In a galvanometer there is a deflection of one divisions per mA. The i...

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  20. A galvanometer of resistanece 40Omega gives a deflection of 5 division...

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