resistance Flashcards

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1
Q

what is resistance measured in?

A

Ohms (Ω)

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2
Q

what happens to current and temperature when higher resistance?

A

lower current, higher temperature

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3
Q

what is total resistance in a series and parallel circuit?

A

adds up in a series circuit, it decreases in a parallel circuit

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4
Q

resistance equation

A

Resistance (Ω) = potential difference (V) ÷ current (Amps)

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5
Q

what happens in a wire as current increases?

A

so does the voltage. Resistance is proportional

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6
Q

In a filament bulb, how does resistance increases?

A

if the temperature increases

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7
Q

in a diode, what is the resistance like?

A

the forward resistance is low the backward resistance is high

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8
Q

what happens as a thermistor resistance decreases?

A

if its temperature increases

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9
Q

how does an LDR resistance decrease?

A

if the light intensity on it increases

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