P3.1.2 Static & Charge Flashcards by Yashi Jakhar

Q

what is a electrical current?

A

the rate of flow of charge

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Q

true or false

the greater the number of electrons passing a point in a second, the greater the mass

A

it’s not mass, it’s current.

read the question again.

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Q

how do you calculate current? (Hint: I)

A

I = Q/T

I = current
Q = charge
T = time

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Q

what are the units for current, charge, and time?

A

current = Amperes (A)
charge = coulombs (C)
time = seconds (s)

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Q

true or false

in the statement “an electric current is the rate of flow of charge”, rate means the speed of electrons.

A

false - rate is about the number of electrons

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