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प्रश्न
What is ohmic device?
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उत्तर
Materials for which the current against voltage graph is a straight line through the origin, are said to obey Ohm’s law and their behaviour is said to be ohmic.
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संबंधित प्रश्न
If the potential difference across the ends of a conductor is 220 V and the resistance of the conductor is 44 Ω (ohm), then the current flowing through is _________.
- 0.2 A
- 0.5 A
- 2 A
- 5 A
What is an Ohmic resistor?
Name the physical quantity whose unit is "ohm".
How should the two resistances of 2 ohms each be connected so as to produce an equivalent resistance of 1 ohm?
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.
State microscopic form of Ohm’s law.
Which of the following I-V graph represents ohmic conductors?
The variable resistance is called ____________.
Consider a current carrying wire (current I) in the shape of a circle. Note that as the current progresses along the wire, the direction of j (current density) changes in an exact manner, while the current I remain unaffected. The agent that is essentially responsible for is ______.
