How much power is produced if a voltage of #8 V# is applied to a circuit with a resistance of #16 Omega#?
Use Ohm's law: V=IR, to obtain the current I. Then use
Use Ohm's law: V=IR, to obtain the current I.
Rearrange to make I the subject:
I = V/R = 8V / 16 Ohms = 0.5 Amps.