Electricity and Magnetism

Which is the weakest field/least charge?

• A

• B

• C

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

Are these charges

• negative

• postitive

• neutral

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

The diagram shown is _____ because ______

• incorrect, field lines go from North to South

• correct, field lines go from South to North

• incorrect, there are too many field lines

• correct, the lines are drawn N to S using the Earth's magnetic core

In the formula F=BIL sin Θ, B is measured in

• Newtons

• Force

• Teslas

• Amperes

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

In the formula F=BIL sin Θ, F is measured in

• Newtons

• Force

• Teslas

• Amperes

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

In the formula F=qvB sinΘ, v is

• voltage

• velocity

• current

• vector

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Ammeters are added in ______ because they have _____ resistance.

• series, low

• series, high

• parallel, high

• parallel, low

Voltmeters are added in ______ because they have _____ resistance.

• series, low

• series, high

• parallel, high

• parallel, low

When comparing the resistance of wires made from the same material, as the length increase then the resistance _______

• decreases

• increases

• remains the same

When comparing the resistance of wires made from the same material, as the area increase then the resistance _______

• decreases

• increases

• remains the same