Physics, asked by Rajendragadhwal9732, 1 year ago

Two cells of EMF 10v & internal resistance 3ohm is connected to resistor, if the current in the circuit is 0.5A find the resistance of a resistor & terminal voltage of the battery?

Answers

Answered by jeehelper
0

R = 17ohm; V = 8.5V

Explanation:  

The following date is given in the question:

E = 10V; r = 3ohm; I = 0.5A

a) Now applying KVL on the closed loop

E = I (R+r)

By putting values we get  

R = 17ohm

b) According to ohm’s law

V= IR

V= (0.5) (17) = 8.5V

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