Question

When a 20 V battery is hooked up to a 10 Ω resistor in a circuit, how much current flows through the circuit?

A. 0.5 A

B. 2 A

C. 20 A

D. 200 A

Answer 1

we have to apply the Ohm's law, namely:
\[I = \frac{{\Delta V}}{R}\]

Answer 2

ok! 20/10? solution is 2 A? choice B? :/

Answer 3

correct!

Answer 4

ooh yay! Thank you!

Answer 5

:)