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CBSE Class 12-science Answered

Please solve the following question
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Asked by Balbir | 07 Feb, 2018, 05:33: PM
answered-by-expert Expert Answer
t o t a l space e m f space equals space E minus 2 E plus 5 E i n t e r n a l space r e s i s tan c e space i n space s e r i e s space equals space r plus 2 r plus 3 r c u r r e n t space equals space fraction numerator t o t a l space e m f space over denominator t o t a l space r e s i s tan c e space i n space c i r c u i t end fraction space equals fraction numerator E minus 2 E plus 5 E over denominator R plus r plus 2 r plus 3 r end fraction equals space fraction numerator 4 E over denominator R plus 6 r end fraction
 
 
 
 
The plot for I v/s R
 
 
Answered by Science Mate | 08 Feb, 2018, 12:38: PM

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CBSE 12-science - Physics
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You are given 48 cells each of 1.48 volt and resistance 0.3 ohm. How would you arrange them to produce greatest current in a circuit of 5 ohm resistance?
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Why we use a combination of cells?
Asked by Topperlearning User | 27 Apr, 2015, 01:12: PM
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CBSE 12-science - Physics
For the series combination of cells, derive the condition in which the current through externally connected resistance is maximum.
Asked by Topperlearning User | 24 Apr, 2015, 03:36: PM
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CBSE 12-science - Physics
Three identical cells, each of emf 2 V and internal resistance 0.2 ohm are connected in series to an external resistor of 5.4 ohm. Calculate the current in the circuit.
Asked by Topperlearning User | 24 Apr, 2015, 03:37: PM
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CBSE 12-science - Physics
In given circuit the cells E1 and E2 have emfs 4 V and 8 V and the internal resistance 0.5 ohm and 10 ohm respectively. Calculate the current in each resistance.
Asked by Topperlearning User | 24 Apr, 2015, 03:47: PM
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CBSE 12-science - Physics
In the circuit shown, each battery is of 5 V and has internal resistance of 0.2 ohm. What will be the reading of an ideal voltmeter connecting across the battery?
Asked by Topperlearning User | 24 Apr, 2015, 03:51: PM
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CBSE 12-science - Physics
In which condition, the cells connected in parallel has maximum current?
Asked by Topperlearning User | 24 Apr, 2015, 03:52: PM
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