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प्रश्न
What are non-ohmic reistors? Give one example and draw a graph to show its current-voltage relationship.
थोडक्यात उत्तर
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उत्तर
The conductors which do not obey Ohm's Law are called non-ohmic resistors. Example: diode valve.
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The following figure shows the I-V characteristic curves for two resistors. Identify the ohmic and non-ohmic resistors. Give a reason for your answer.
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| (a) | (b) |
Write the expressions for the equivalent resistance R of three resistors R1, R2 and R3 joined in
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