Study checklist
9.3 Resistance and resistivity
Checklist
9.3.2—V = IR
9.3.3—The I–V characteristics of a metallic conductor at constant temperature, a
9.3.4—That the resistance of a filament lamp increases
9.3.5—Ohm’s law
9.3.6—R = ρL / A
9.3.7—The resistance of a light-dependent resistor (LDR) decreases
9.3.8—The resistance of a thermistor decreases as the temperature increases (it
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