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Physics

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Lela Bradtke

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Cards in this guide (10)
When a fuse blows

When a fuse blows, you should replace the fuse and check to see what might have caused it to blow. It's a sign that there might be something causing too much current to flow in the circuit.

How is the wiring done in houses and other occupied buildings

It is in parallel, so one light can be on while others are turned off.

Electric field lines point in the opposite direction charges would move if they were in the field

negative

When electric and magnetic fields both exist it is called an

electromagnetic

In a series circuit the is the same at every point

In a series circuit the current is the same at every point. This is Kirchoff's current law.

A 120 V power supply connected to a 30 ohm resistor will produce how many amps of current

A 120V power supply connected to a 30 Ohm resistor will produce 120/30 or 4 amps of current.

Which data-storage device will not have its data scrambled by a magnet

CD

A hospital has a back-up generator to power the medical devices in case of a power failurewhat is the most likely source of mechanical energy for the generator

gasoline or diesel fuel...apex

When all of the magnetic domains line up on their own what is the materia called

electro magnetic feilds

What will be attracted to or repelled by an magnet

a copper wire carrying current and another magnet.

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