Question
Download Solution PDFA battery source of 20 V when connected to a load of 19 Ω draws a current of 1 A. What is the value of internal resistance of battery?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
The total voltage across the circuit is the sum of the voltage across the internal resistance (Vr) and the load resistance (VR) is:
where, V = Voltage
I = Current
R = Load resistance
r = Internal resistance
Calculation
Given, V = 20 volts
R = 19 Ω
I = 1A
r = 1 Ω
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