- #1
shruti22
- 1
- 0
Dear Friends
I just want to know how to prove ohm's law...need your help...
Thank you
I just want to know how to prove ohm's law...need your help...
Thank you
In summary, Ohm's Law is a fundamental law in physics that states the relationship between voltage, current, and resistance in an electrical circuit. It can be proven through a simple experiment where the voltage is varied and the resulting current is measured. The units of measurement for voltage, current, and resistance are volts, amperes, and ohms, respectively. However, Ohm's Law can only be applied to circuits with constant resistance. Its mathematical equation is V = IR, showing the direct and inverse relationships between voltage, current, and resistance.
- #2
NascentOxygen
Staff Emeritus
Science Advisor
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Hi shruti22! http://img96.imageshack.us/img96/5725/red5e5etimes5e5e45e5e25.gif
Please don't ask the same question multiple times. More than once and you will surely lose friends.
What do you think would be a good approach to proving Ohm's Law?
Please don't ask the same question multiple times. More than once and you will surely lose friends.
What do you think would be a good approach to proving Ohm's Law?
Last edited by a moderator:
- #3
HallsofIvy
Science Advisor
Homework Helper
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Since this is a physics law, not a mathematial formula, what Ohm himself did was show it by experiment.
What is Ohm's Law?
Ohm's Law is a fundamental law in physics that states the relationship between voltage, current, and resistance in an electrical circuit. It states that the current through a conductor is directly proportional to the voltage and inversely proportional to the resistance.
How do you prove Ohm's Law?
To prove Ohm's Law, you can perform a simple experiment where you vary the voltage across a circuit and measure the resulting current. By keeping the resistance constant, you can observe that the current changes in direct proportion to the voltage, thus proving Ohm's Law.
What are the units of measurement for voltage, current, and resistance?
Voltage is measured in volts (V), current is measured in amperes (A), and resistance is measured in ohms (Ω). In Ohm's Law, these units are used to calculate the relationship between the three variables.
Can Ohm's Law be applied to all electrical circuits?
Ohm's Law can be applied to most electrical circuits, but it is important to note that it is only applicable to circuits that have a constant resistance. In circuits with changing resistance, Ohm's Law may not hold true.
What is the mathematical equation for Ohm's Law?
The mathematical equation for Ohm's Law is V = IR, where V is voltage, I is current, and R is resistance. This equation shows the direct relationship between voltage and current, and the inverse relationship between current and resistance.
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