Advertisements
Advertisements
Question
The ratio of the potential difference to the current is known as ________.
Solution
The ratio of the potential difference to the current is known as Ohm’s law.
APPEARS IN
RELATED QUESTIONS
Write the SI unit of resistivity
What is an ohmic resistor? Give one example of an ohmic resistor. Draw a graph to show its current voltage relationship. How is the resistance of the resistor determined from this graph?
Calculate the current flowing through a wire of resistance 5 Ω connected to a battery of potential difference 3 V.
Fig. represents the circuit used for the verification of Ohm's law. Label the parts from A to F. state the function of each.
State and define Ohm’s law.
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.
An ammeter placed in series with an electric radiator reads 0.5 amps and a voltmeter placed across it reads 230 volts. What is the resistance of the radiator?
Answer the following question.
Distinguish between Ohmic and non-ohmic substances; explain with the help of example.
State Ohm’s law? How can it be verified experimentally? Does it hold good under all conditions? Comment.
