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A battery of emf 6 volts and internal re...

A battery of emf 6 volts and internal resistance `1Omega` is connected in parallel to another battery of emf 8V and internal resistance `2Omega`. The combination is then used to send current through an external resistance of `10Omega`. Find the current through the external resistance.

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The correct Answer is:
`5/8`A
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NN GHOSH-FUNDAMENTAL OF CURRENT ELECTRICITY-Exercises
  1. Two identical cells of emf 1.5V and internal resistance 1Omega are joi...

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  2. A battery of emf 6V internal resistance 5Omega is joined in parallel w...

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  3. A battery of emf 6 volts and internal resistance 1Omega is connected i...

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  4. Two batteries of emfs 24V and 6V and internal resistance 2Omega and 1O...

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  5. The sides of a square ABCD are formed of wires, each of resistance r a...

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  6. In a wheatstone bridge, the resistance of the arms of the bridge are A...

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  7. ABCD is a square of side a meters and is mae up of wires of resistance...

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  8. A battery of 2V and internal resistance 2Omega is used in wheatstone b...

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  9. When one mole of zinc combines with sulphuric acid 445 kJ of heat is l...

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  10. Two resistors with temperature coefficients of resistance alpha1 and a...

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  11. Show that if E is the electric intensity inside a conductor of electri...

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  12. Show that drift velocity of electrons in a conductor is given by u = J...

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  13. A spherical silver electrode of radius 8cm is concentric with a spheri...

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  14. Two batteries of emf 12V and 6V and internal resistance 2Omega and 1Om...

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  15. Find the potential difference the points a and b of the circuit(figure...

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  16. Twelve identical resistor are arranged on all edges of a cube. Then fi...

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  17. Find the equivalent resistance between the terminal points a and b of ...

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  18. A newtwork of conductors is in the form of a triangle ABC in which AB ...

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  19. Find the resistance of the infinite series of the circuit in figure be...

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  20. Calculate the equivalent resistance of the circuit shown in figure bet...

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