Joules

If a device uses 100 watts of power and operates for 3 hours, how much energy does it consume in Joules?

• 300 J

• 1080 J

• 1080000 J

• 360000 J

A light bulb has a power rating of 60 watts. If it is used for 10 hours, how much energy has it used in Joules?

• 600 J

• 21600 J

• 3600 J

• 216000 J

Calculate the energy consumption in J of a 1500 watt oven used for 2 hours.

• 3000 J

• 10800 J

• 3000000 J

• 10800000 J

Tags

NGSS.HS-PS3-1

A heater uses 2000 watts of power. If it runs for half an hour, how much energy does it consume in Joules?

• 3600000 J

• 1000 J

• 3600 J

• 60000 J

How much energy in Joules does a 50 watt computer use if it operates for 8 hours?

• 14400 J

• 400 J

• 400000 J

• 1440000 J

A television with a power rating of 250 watts is used for 4 hours. Calculate the energy used in Joules.

• 3600000 J

• 1000 J

• 1000000 J

• 3600 J

If a 75 watt fan runs for 24 hours, how much energy does it consume in J?

• 6480000 J

• 1800 J

• 180000 J

• 7200 J

Calculate the energy in Joules used by a 500 watt dishwasher that runs for 1.5 hours.

• 2700 J

• 2700000 J

• 750 J

• 750000 J

A 120 watt refrigerator runs continuously for a day (24 hours). How much energy does it use in Joules?

• 10368000 J

• 2880 J

• 288000 J

• 12000 J

How much energy in Joules is consumed by a 1800 watt air conditioner running for 3 hours?

• 19440000 J

• 5400 J

• 540000 J

• 6480000 J

Tags

NGSS.HS-PS3-1