A 1200 w hair dryer is operated on a 120 v circuit for 15, Ask an Expert

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Q1. A 1,200 W hair dryer is operated on a 120 V circuit for 15 minutes. If electricity costs $0.10/kW h, what was the cost of using the blow dryer?

Q2. An automobile starter rated at 2hp draws how many amps from a 12.0 V battery?

Q3. Two 8 coulomb light bulbs are connected in a 12V series circuit. What is the power of both glowing bulbs?

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Category:- Physics
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