Question

If you have a voltage of 120 volts entering your house and a light bulb with 0.75 amperes flowing through it, how many watts is your light bulb?

30 watts
120 watts
60 watts
90 watts

Answer 1

90 watts

Step-by-step explanation:

Watts = volts x amperes

120X.75 = 90

Answer 2

90 watts

Step-by-step explanation:

Formula for Power (using voltage and current) :

• P = VI
• P = 120 V × 0.75 A
• P = 90 watts