Question

I have a 9V Battery. I have two resistors; one at 10 ohms and one at 20 ohms. How do i calculate the total resistance of the circuit?

Answer 1

Answer:

$\frac{1}{R_{T} } =\frac{1}{R_{1} }+\frac{1}{R_{2} }=\frac{1}{10} +\frac{1}{20}=6.67$Ω

Explanation: