Current-Voltage Relationships (HSC SSCE Physics): Flashcards
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10 cards from this deck
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Practise the cards
10 cards from this deck
Three conditions for electric current to flow
Three conditions for electric current to flow
Free charge carriers, conducting path, driving force
Formula for potential difference (V)
Formula for potential difference (V)
Unit of potential difference
Unit of potential difference
Volt (V)
How to connect a voltmeter
How to connect a voltmeter
In parallel across the component
Formula for resistance (R)
Formula for resistance (R)
Unit of resistance
Unit of resistance
Ohm (Ω)
Define ohmic components
Define ohmic components
Components with constant resistance over wide voltage range
Define non-ohmic components
Define non-ohmic components
Components with resistance varying with applied voltage
I-V graph shape for ohmic components
I-V graph shape for ohmic components
Straight line through the origin
Low current at given voltage indicates
Low current at given voltage indicates
High resistance
