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प्रश्न
What are non-ohmic conductors? Give one exmaple. Draw a current-voltage graph for a non-ohmic conductor.
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उत्तर
The conductors which do not obey Ohm’s law (i.e., V/I is not constant) are called non-ohmic conductors.
Example: Diode valve.
The current-voltage graph for a non-ohmic conductor is shown in figure alongside.
संबंधित प्रश्न
State Ohm’s law and draw a neat labelled circuit diagram containing a battery, a key, a voltmeter, an ammeter, a rheostat and an unknown resistance to verify it.
Which of the following is an ohmic resistance?
Define ampere and volt with respect to Ohm’s law.
Draw a neat diagram for the verification of Ohm’s law by voltmeter-ammeter method. By another diagram show the relation between p.d. and current.
State Ohm’s law.
The slope of voltage (V) versus current (I) is called:
Ohm's Law states that for a metallic conductor, the current flowing through it is directly proportional to the potential difference across its ends, provided that:
When two conductors at different electric potentials are joined by a metallic wire, in which direction do the electrons flow?
For a continuous current flow through a conductor, what must be maintained across the ends of the conductor?
Which formula is used with Ohm's Law to help determine power consumption in an electrical circuit?
