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प्रश्न
Ohm’s law states the relationship between power and voltage.
विकल्प
True
False
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उत्तर
Ohm’s law states the relationship between power and voltage - false.
Correct Statement:
Ohm’s law states the relationship between potential difference and current.
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संबंधित प्रश्न
Let the resistance of an electrical component remains constant while the potential difference across the two ends of the component decreases to half of its former value. What change will occur in the current through it?
Calculate the electric field in a copper wire of cross-sectional area 2.0 mm2 carrying a current of 1 A.
The resistivity of copper = 1.7 × 10–8 Ω m
How does an increase in the temperature affect the specific resistance of a semiconductor?
Tick(✓) the correct choice in the following:
Ohm's law is applicable to
Define the following:
Coulomb
- Name and state the law which relates the potential difference and current in a conductor.
- What is the necessary condition for a conductor to obey the law named above in part (a) ?
Define ampere and volt with respect to Ohm’s law.
Explain the equivalent resistance of a parallel resistor network.
A resistor is connected in a circuit with a voltage of 12 V and a resistance of 24 Ω. What is the current flowing through the resistor?
If the voltage across a conductor is increased while its temperature remains unchanged, what happens to the current flowing through it?
