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Two identical cells of emf 1.5 V each jo...

Two identical cells of emf 1.5 V each joined in paralllel provide supply to an external circuit consisting of two resistances of `7 Omega` each joined in parallel. A very high resistance voltmeter reads the terminal voltage of cells to be 1.4 V. Calculate the internal resistance of each cell.

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DC PANDEY-CURRENT ELECTRICITY-Example
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  2. Find the emf and internal resistance of a single battery which is equi...

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  3. Two identical cells of emf 1.5 V each joined in paralllel provide supp...

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  4. Find the minimum number of cell required to produce an electron curren...

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  5. 36 cells each of internal resistance 0.5 Omega and emf 1.5 V each are ...

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  6. 12 cells, each of emf 1.5 V and internal resistance of 0.5Omega, are a...

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  7. Find currents in different branches of the electric circuit shown in f...

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  8. In example above, find the potential difference between points F and C...

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  9. (i) Find the potential difference between A and B.

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  10. In the circuit shown in figure find the heat developed across each res...

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  11. In the circuit shown in the following figure, find

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  12. In the following figures, each of the three resistances, the rating of...

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  13. Two bulbs having rating of 60 W, 220 V and 100 W, 220 V are joined (i)...

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  14. A series circuit consists of three bulbs connected to a battery as sh...

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  15. What shunt resistance is required to make the 1.00 mA, 20 Omega Galvan...

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  16. How can we make a galvanometer with G=20 Omega and ig=1.0 mA into a vo...

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  17. Find out the magnitude of resistance X in the circuit shown in figure,...

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  18. Calculate the current the current drawn from the battery by the networ...

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  19. In the circuit shown, a meter bridge is in its balanced state. The met...

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  20. The figure Shows the experimental set up of a meter bridge. The n...

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