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Module 7 Assignment (1)

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Institution NUR 2060: Eyes, Ears, Skin
Course NUR 2060: Eyes, ears, skin
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Module 7 Assignment (1)

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Module 7 Assignment
What is electricity? - ANS-The study of charge and the motion of charge.

An electric generator works by... - ANS-causing electric charge to flow.
turning a coil of wire in a magnetic field.

In a circuit, electrons transport the electrical energy. - ANS-False

Batteries and generators create the electricity which flows in wires. - ANS-False

The electricity inside of wires moves at the speed of light. - ANS-False

Benjamin Franklin's kite was struck by lightning. - ANS-False

Some common sources of renewable energy are... - ANS-Geothermal
Wind
Sunlight

A solar photovoltaic cell... - ANS-is usually made of silicon semiconductors.
works by the conversion of photon energy to electricity.
provides DC current.

A hot water heater used 2 kilowatt for 1.1 of an hour. If electricity costs $0.2 per kilowatt-hour,
how much did it cost (in dollars, to the nearest penny) to use the hot water heater? - ANS-0.44

A windmill... - ANS-has a maximum efficient of about 60%
produces energy by converting kinetic energy into electrical energy.

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