Physics
Figure below shows the I-V curves for two resistors. Identify the ohmic and non-ohmic resistors. Give a reason for your answer.
Related Questions
(a) Name and state the law which relates the potential difference and current in a conductor.
(b) What is the necessary condition for a conductor to obey the law named above in part (a)?
How does the resistance of a metallic wire depend on it's temperature? Explain with reason.
Give two differences between an ohmic and non-ohmic resistor.
How does the resistance of a wire depend on it's length ? Give a reason for your answer.