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प्रश्न
Resistance of a wire depends on, ______.
विकल्प
temperature
geometry
nature of material
all the above
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उत्तर
all the above
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संबंधित प्रश्न
Two copper wires are of the same length, but one is thicker than the other. Which wire will have more resistance?
Draw a I–V graph for a linear resistor. What does its slope represent?
Exercise.
The values of current (I) flowing through a resistor for various potential differences V across the resistor are given below. What is the value of resistor?
| I (ampere) | 0.5 | 1.0 | 2.0 | 3.0 | 4.0 |
| V (volt) | 1.6 | 3.4 | 6.7 | 10.2 | 13.2 |
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- What information can you get from the above statement?
- What will happen if this bulb is connected across 220 V?
- Calculate the resistance of the bulb.
- Also find the energy consumed by the bulb in 10 minutes.
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