Question

Find the current passing through a circuit consisting of a battery and one resistor. The resistor has a resistance of 2 ohms and the battery has a voltage of 12 volts.
A) 0.167 amps
B) 2 amps
C) 6 amps
D) 8 amps

Answer 1

If one resistor is connected to a battery and has a resistance of 2 ohms and the battery has a voltage of 12 volts, the current passing through the circuit is 6 amps. If V=IxR, then I (current) = V (voltage)/ R (resistance) = 12 V/2 Ohms = 6 amps.

Answer 2

The current flowing in the circuit can be found by applying Ohm's law:
$V=IR$
where
V is the voltage of the battery
I is the current flowing in the circuit
R is the resistance of the circuit

In our problem, V=12 V and $R=2 \Omega$, so if we re-arrange the previous equation and we use these data, we find the current in the circuit:
$I= \frac{V}{R}= \frac{12 V}{2 \Omega}=6 A$

Therefore the correct answer is C).