Electricity Flashcards

1
Q

What is static electricity

A

Electricity in stationary objects

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2
Q

What is discharge

A

The loss of electrical charge

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3
Q

What happens if there is a large concentration of electrons

A

negative charge

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4
Q

What happens after the removal of electrons

A

positive charge

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5
Q

What is the unit of charge

A

Coulomb

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6
Q

T or F: Charge builds in insulators

A

True

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7
Q

Why do conductors not build up charge

A

Because the electrons continuously flow, not allowing a change in electron amount

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8
Q

What are the 3 ways to change charge

A

Friction, Induction, Contact

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9
Q

If a Current vs Voltage graph is curved, is it ohmic vs non-ohmic

A

Non-ohmic

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10
Q

What is a current

A

The number of charges flowing through a certain point over time

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11
Q

T or F: Current flows from Negative to positive

A

False

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12
Q

What is the equation for current

A

I = q/t

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13
Q

What is the symbol for current

A

I

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14
Q

What is the measurement of current

A

Amps

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15
Q

What is the difference between Resistance and Resistivity

A

Resistance is the total conductivity of an object with multiple factors, while resistivity just refers to the conductibility of the material

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16
Q

What is the unit for resistance

A

Ohms - Ω

17
Q

What are the 3 factors affecting resistance

A

Resistivity (material), Length, and area

18
Q

What is the equation for resistance

A

R = (P*L)/A

19
Q

What is 1 volt equal to

A

V = J/C