Current Electricity Charging Discharging Of Capacitors Question 640

Question: In the above question, if the internal resistance of the battery is 1 ohm, then what is the reading of ammeter

Options:

A) 5/3 A

B) 40/29 A

C) 10/9 A

D) 1 A

Show Answer

Answer:

Correct Answer: B

Solution:

Applying Kirchhoff law in the first mesh $ 10=5i _{1}+i $ …..(i) Applying in the second mesh $ 5i _{1}=4i-4i _{1} $ ……(ii) Solving equation (i) and (ii), we get $ i _{1}=\frac{40}{29},A $