Home » Ohm's Law » 15 » d
If a 3 volt battery causes 300 mA to flow in a circuit, the circuit resistance is:

  a.   10 ohm

  b.   9 ohm

  c.   5 ohm

  d.   3 ohm
Your answer "d" is not correct. "a" is the right answer.

R = E / I
= 3 / 0.3
= 10 ohms.

Next