Electricity 1

Jessie has a bed and breakfast place. He makes pancakes for his guests for two hrs everyday. How much electricity is used by an electric stove for a month? The power rating of the electric stove 0.950 kW.

E = P x t

cost = E x $

• 1.9kWh

• 13.3 kWh

• 57kWh

• 28.5kWh

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NGSS.HS-PS3-1

How much will electricity cost if an electric stove with a power of 0.950 is used for 5 hrs a day in a month? The cost of electricity is 23 cents per kwH.

E = P x t

cost = E x $

• $4.57

• $142.5

• $32.775

• $3277.5

How much does it cost to CHARGE a laptop in a month if it has a power rating of 0.31 kW if It needs to charge for 2 hours if electricity costs 17cents per kWh?

E = P x t

cost = E x $

• $0.62

• $18.6

• $3.162

• $316.2

How much electricity is used in a year if you charge your laptop for 2 hrs a day? The laptop has a power rating of 0.31 kW.

1 year = 365.25 days

E = P x t

cost = E x $

• 0.62kWh

• 226.455kWh

• $3.162

• $84.0075

• 18.6kWh

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

A television with a power rating of 0.120kW and used for 8 hrs in a day. How much electricity is used for 2 months?

E = P x t

cost = E x $

• 0.96kWh

• 28.8kWh

• 57.6kWh

• $57.6

• $28.8

A television with a power rating of 0.120kW and used for 8 hrs in a day. How much DO will the electricity cost 2 months? ( NM electricity is 15 cents perkWH)

E = P x t

cost = E x $

• $0.96

• $28.8

• $57.6

• $8.64

• $864

A refrigerator is used for 24 hr  with a power rating of 0.725kW . How much electricity is used in a year?

1 year = 365.25 days

E = P x t

cost = E x $

• 17.4kWh

• 6355.53kWh

• 264.80kWh

• 8766kWh

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

A refrigerator is used for 24 hr  with a power rating of 0.725kW . How much will they pay for electricity in a year if electricity cost 25 cents in Florida?

1 year = 365.25 days

E = P x t

cost = E x $

• $17.4

• $6355.35

• $1588.83

• $158,883

A washing machine  with a power rating of 0.255kW for 5 hrs a week.  How much electricity is used in a week?

E = P x t

cost = E x $

• 1.275kWh

• 8.925kWh

• 1.785kWh

• 35kWh

Tags

NGSS.HS-PS3-1

How much will a game console cost  in a month if electricity in NM is 15cents per kWh, if you use it for 8 hrs a aday? the power rating is 0.2kW.

E = P x t

cost = E x $

• $1.6

• $48

• $7.2

• $0.24