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प्रश्न
Tick(✓) the correct choice in the following:
Ohm's law is applicable to
पर्याय
Discharge of electricity through gases
Diode value
All metallic conductors
Carbon compounds
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उत्तर
All metallic conductors
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संबंधित प्रश्न
Write the formula of resistivity
The graph between V and I for a conductor is a straight line passing through the origin.
Which law is illustrated by such a graph?
- Draw a V-I graph for a conductor obeying Ohm’s law.
- What does the slope of V–I graph for a conductor represent?
What length of copper wire of resistivity 1.7 × 10-8 Ω m and radius 1 mm is required so that its resistance is 2Ω?
How would you connect two resistors in series? Draw a diagram. Calculate the total equivalent resistance.
Rewrite the following statement by selecting the correct option.
The S.I. unit of resistance is __________.
State Ohm’s law.
The resistance of a nichrome wire at 0°C is 10Ω. If its temperature coefficient of resistivity of nichrome is 0.004/ °C, find its resistance of the wire at boiling point of water. Comment on the result.
A heater of 220 V heats a volume of water m 5 mint time. A heater of 110 V heat in ten second. The resistance of the conductor is
Why should an ammeter have low resistance?
