PH-1031

I–V characteristics

Physics · Secondary 4 · Medium · I–V characteristics

A 5.0

\Omega

resistor is connected to a variable power supply. The current–voltage graph for the resistor is a straight line through the origin with gradient 0.20 A/V.

What is the resistance of the resistor?

$0.20\,\Omega$
$2.0\,\Omega$
$5.0\,\Omega$
$10\,\Omega$

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