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प्रश्न
What are non-ohmic reistors? Give one example and draw a graph to show its current-voltage relationship.
संक्षेप में उत्तर
उत्तर
The conductors which do not obey Ohm's Law are called non-ohmic resistors. Example: diode valve.
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Ohmic and Non-ohmic Resistors
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संबंधित प्रश्न
The music system draws a current of 400 mA when connected to a 12 V battery.
- What is the resistance of the music system?
- The music system if left playing for several hours and finally the battery voltage drops and the music system stops playing when the current drops to 320 mA. At what battery voltage does the music system stop playing?
Give two difference between an ohmic and non-ohmic resistor.
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
- parallel
- series
