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Physics

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Christelle Borer

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4y ago
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Cards in this guide (9)
What is the resistance in ohms of the computer-monitor combination when a desktop computer and monitor together draw about 1.2 A of current and they plug into a wall outlet that is 120 V

60

Which is true of magnetic field lines but not electric field lines

they show wich way iron shavings would align themselves

They always make closed loops.

Electric field lines can either form closed loops or they can start and finish on isolated electric charges. Magnetic field lines always only form closed loops.

Which converts mechanical energy to electrical energy

a generator

In terms of the scientific definition of work neither magnetic fields nor electric fields can do work

True

What type of fields are created by an arrangement of electric charges or a current

Magnetic fields can be created by charges or the flow of current.

Why does shuffling feet across a carpet create electricity

Your feet get electrons from the carpet which produces static electricity. If you touch someone afterwards, you will most likely shock them.

Is an atom that has the same number of protons as neutrons a neutral atom

False. The atom that has the same number of protons as it has electrons is a neutral atom.

What will be attracted to or repelled by an magnet

a copper wire carrying current and another magnet.

Which of the following would be best to do of you were inside a car and a power line fell on the car

wait for someone from the power company to come ant help - APEX;0

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