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Physics

Damion Dooley ∙

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Term1/15

What do electric cells do

Definition1/15

convert chemical energy into electrical energy

Term1/15

When is mechanical advantage increased by a first class lever

Definition1/15

when the fulcrum is close to the load

Term1/15

Which of these are part of a wedge

Definition1/15

two inclined planes,double wedge and single wedge

Term1/15

What do fixed pulleys always do

Definition1/15

change the direction of force

Term1/15

How do devices that are powered by electricity work

Definition1/15

The devices increase resistance.

Term1/15

What types of magnets are harder to magnetize but retain magnetism much longer

Definition1/15

permanent magnets

Term1/15

What term is given to the process of rearranging electrons in a semiconductor by adding atoms of other elements

Definition1/15

doping

Term1/15

How is the information on a CD read

Definition1/15

as reflected light

Term1/15

Why are temporary magnets so useful

Definition1/15

magnetic feilds are produced only when current is flowing

Term1/15

What is true about magnets

Definition1/15

a magnet always has two poles

Term1/15

What would reduce resistance in a copper wire

Definition1/15

making the copper wire thicker

Term1/15

What best describes an electric circuit

Definition1/15

An electric circuit is best described as a loop.

the flow of electrons

Term1/15

Part of a lever on which effort force is applied

Definition1/15

The effort arm of a lever is a part of the lever on which effort force is applied. Resistance arm of a lever is a part of the lever that exerts the resistance force.

Term1/15

What is the relation between Newton meter and watt

Definition1/15

1 Watt = 1 Joule / Second = 1 Newton-meter / Second.

Term1/15

Which of these is needed to operate an electric motor

Definition1/15

alternating current

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Cards in this guide (15)

What do electric cells do

convert chemical energy into electrical energy

When is mechanical advantage increased by a first class lever

when the fulcrum is close to the load

Which of these are part of a wedge

two inclined planes,double wedge and single wedge

What do fixed pulleys always do

change the direction of force

How do devices that are powered by electricity work

The devices increase resistance.

What types of magnets are harder to magnetize but retain magnetism much longer

permanent magnets

What term is given to the process of rearranging electrons in a semiconductor by adding atoms of other elements

doping

How is the information on a CD read

as reflected light

Why are temporary magnets so useful

magnetic feilds are produced only when current is flowing

What is true about magnets

a magnet always has two poles

What would reduce resistance in a copper wire

making the copper wire thicker

What best describes an electric circuit

An electric circuit is best described as a loop.

the flow of electrons

Part of a lever on which effort force is applied

When electric and magnetic fields both exist it is called an

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Physics

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Physics

What do electric cells do

When is mechanical advantage increased by a first class lever

What does conservation of charge mean

How can power be increased

Physics

What do electric cells do

When is mechanical advantage increased by a first class lever

What does conservation of charge mean

How can power be increased

Physics

What do electric cells do

When is mechanical advantage increased by a first class lever

What does conservation of charge mean

How can power be increased

Science

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Which compound machine consists of both fixed and movable pulleys

What phylum of worms can infect plant roots and cause disease

Why are temporary magnets so useful

Physics

When charging an object by conduction what happens to the charges in the object

How is the wiring done in houses and other occupied buildings

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

When electric and magnetic fields both exist it is called an

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