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प्रश्न
The ratio of the potential difference to the current is known as ________.
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उत्तर
The ratio of the potential difference to the current is known as Ohm’s law.
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संबंधित प्रश्न
Find the resistance of a conductor if 0.24 A current is passing through it and a potential difference of 24 V is applied across it.
When a 12 V battery is connected across an unknown resistor, there is a current of 2.5 mA in the circuit. Find the value of the resistance of the resistor.
Calculate the current flowing through a wire of resistance 5 Ω connected to a battery of potential difference 3 V.
How does an increase in the temperature affect the specific resistance of a :
(i) Metal and
(ii) Semiconductor ?
Fig. represents the circuit used for the verification of Ohm's law. Label the parts from A to F. state the function of each.
What is meant by the drift speed of free electrons?
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.
Explain the equivalent resistance of a parallel resistor network.
The variable resistance is called ____________.
The resistance of a resistor is reduced to half of its initial value. If other parameters of the electrical circuit remain unaltered, the amount of heat produced in the resistor will become ______.
