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Grade: 12 
        
Two Cells,one of end 1.2 V and internal resistance 0.5ohm,the other of emf 2 V and internal resistance 0.1ohm are connected in parallel and the combination connected in series with an external resistance of 5 ohm. 
What is the current through the resistance.
11 months ago

Answers : (1)

Ujjwal
15 Points 
							
First find Req by formula E1r2 +E2r1÷r1+r2
 
Then find req by formula r1r2÷r1+r2
 
Then apply I=Eeq÷req+ext R
 
Find R
11 months ago
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