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Physics

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Veronica Wilkinson

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Cards in this guide (12)
How do you fix a horn for a 1978 Chevy Nova

Apply 12 volts directly to the horn an if it blows it is good. If not it is bad. Check the fuse for the horn. Check the horn relay. Check the horn button in the steering wheel. Check all wiring and the ground connection.

During an inquiry activity You can use one or more of your five senses during an inquiry activity to make

observations

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

What is true about voltage

A. It is measured in volts. B. It is related to current and resistance by Ohm's Law. D. It's what makes current flow in a circuit.

A it is an EMF it can exists in its form without performing any work

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

What will be attracted to or repelled by an magnet

a copper wire carrying current and another magnet.

Why is potentials energy sometimes called stored energy

Because it is. Gravitational potential energy is energy stored in the gravitational field, electrical potential energy is energy stored in the electric field, magnetic potential energy is stored in the magnetic field, etc.

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