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Read the Scenario and Answer the Accompanying Questions

Question 31

Multiple Choice

Read the scenario and answer the accompanying questions.
Electrical current is the flow of electrons through a wire and is measured in amperes (amps) . The voltage (volts) is a measure of the electric force required to keep electrons flowing through a wire. Power is the rate at which electricity does work, or provides energy, and is measured in watts (W) . The current and voltage are related to electric power by the following equation: Power = volts × amps. Large amount of electric power is measured in kilowatts (kW) . An electric bill reflects the total amount of electrical energy (expressed in kilowatt-hours, kWh) , used by all electric appliances for the duration of the time (in hours) they were being used. Thus: kWh = (W × h) ÷ 1000.
-If an electrical tea kettle requires 1500 watts to heat, how many kilowatts does this equal?


A) 1.5 × 103 kw
B) 1,500,000 kw
C) 15,000 kw
D) 1.5 kw
E) cannot be determined from the data provided

Correct Answer:

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