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A series parallel combination of batteri...

A series parallel combination of batteries consisting of 300 identical cells, each with an internal resistance `r = 0.3 Omega`, is loaded with an external resistance `R = 10 Omega`. The number `n` of parallel groups consisting of an equal number of cells connected in series, at which the external resistance generated the highest thermal power is

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RESONANCE ENGLISH-CURRENT ELECTRICITY-Exercise-2 (Part-2)
  1. The current density across a cylindrical conductor of radius R varies ...

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  2. 1 meter long metallic wire is broken into two unequal parts P and Q. ...

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  3. In the figur shown, the thermal power generated in 'Y' is maximum when...

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  4. A series parallel combination of batteries consisting of 300 identical...

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  5. The internal resistance of an accumulator battery of emf 6V is 10(Omeg...

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  6. A hemispherical network of radius a is made by using a conducting wire...

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  7. Find the resistance in ohm of a wire frame shaped as a cube (figure) w...

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  8. The figure is made of a uniform wire and represents a regular five poi...

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  9. In the circuit shown in fig. E(1)=3" volt",E(2)=2" volt",E(3)=1" vole ...

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  10. The resistance of each resisor in the circuit diagram shown in figure ...

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  11. In the circuit shown in figure 16, E, F, G and H are cells of emf 2...

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  12. If the galvanometer in the circuit of figure reads zero, calculate the...

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  13. Shown an arrangement to measure the emf (epsilon)and internal resistan...

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  14. In the circuit shown, reading of the voltmeter connected across 400 Om...

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  15. When current in a coil changes from 25 A to 12 A in 0.1 s , average vo...

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  16. Two resistors 400Omega and 800Omega are connected in series with a 6 V...

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