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CBSE Class 10 Answered

A battery of 5V and internal resistance 1ohm is connected to a combination 8ohm and 11ohm connected in series with each other. Calculate the current in the circuit.
Asked by nibedita.behera.0308 | 20 Apr, 2019, 11:02: AM
answered-by-expert Expert Answer
P.D = 5 V 
Internal resistance (r) = 1 Ω
 
Resistance in circuit,
8 Ω and 11 Ω resistors are connected in series,
 
Thus, Rs = 8 + 11 = 19 Ω
Thus total resistance in circuit = 19 +r =19 + 1 = 20 Ω
 
By Ohm's law,
I = V/R 
I = 5/20 = 0.25 A
 
Thus, total current flowing through circuit is 0.25 A. 
Answered by Shiwani Sawant | 20 Apr, 2019, 13:53: PM

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