OHMS LAW
Study about Ohm's Law:
• To verify Ohm’s Law by calculating voltage, current and resistance based on different views of Ohm’s law as well as measuring those values to compare the theoretical results with the actual results.
• To verify the relationships of R-I, V-I and R-V given ohm’s law by increasing one parameter while holding the other parameter constant, then measuring and calculating equivalent results of the third parameter.
What is Ohm's Law:
Ohm's Law is made from 3 mathematical equations that shows the relationship between electric voltage, current and resistance.
What is voltage? An anology would be a huge water tank filled with thousands of gallons of water high on a hill.
The difference between the pressure of water in the tank and the water that comes out of a pipe connected at the bottom leading to a faucet is determined by the size of the pipe and the size of the outlet of the faucet. This difference of pressure between the two can be thought of as potential Voltage.
What is current? An analogy would be the amount of flow determined by the pressure (voltage) of the water thru the pipes leading to a faucet. The term current refers to the quantity, volume or intensity of electrical flow, as opposed to voltage, which refers to the force or "pressure" causing the current flow.
What is resistance? An analogy would be the size of the water pipes and the size of the faucet. The larger the pipe and the faucet (less resistance), the more water thatcomes out! The smaller the pipe and faucet, (more resistance), the less water that comes out! This can be thought of as resistance to the flow of the water current.
All three of these: voltage, current and resistance directly interact in Ohm's law.
Change any two of them and you effect the third.
Info: Ohm's Law was named after Bavarian mathematician and physicist Georg Ohm.
Ohm's Law can be stated as mathematical equations, all derived from the same principle.
In the following
• To verify Ohm’s Law by calculating voltage, current and resistance based on different views of Ohm’s law as well as measuring those values to compare the theoretical results with the actual results.
• To verify the relationships of R-I, V-I and R-V given ohm’s law by increasing one parameter while holding the other parameter constant, then measuring and calculating equivalent results of the third parameter.
What is Ohm's Law:
Ohm's Law is made from 3 mathematical equations that shows the relationship between electric voltage, current and resistance.
What is voltage? An anology would be a huge water tank filled with thousands of gallons of water high on a hill.
The difference between the pressure of water in the tank and the water that comes out of a pipe connected at the bottom leading to a faucet is determined by the size of the pipe and the size of the outlet of the faucet. This difference of pressure between the two can be thought of as potential Voltage.
What is current? An analogy would be the amount of flow determined by the pressure (voltage) of the water thru the pipes leading to a faucet. The term current refers to the quantity, volume or intensity of electrical flow, as opposed to voltage, which refers to the force or "pressure" causing the current flow.
What is resistance? An analogy would be the size of the water pipes and the size of the faucet. The larger the pipe and the faucet (less resistance), the more water thatcomes out! The smaller the pipe and faucet, (more resistance), the less water that comes out! This can be thought of as resistance to the flow of the water current.
All three of these: voltage, current and resistance directly interact in Ohm's law.
Change any two of them and you effect the third.
Info: Ohm's Law was named after Bavarian mathematician and physicist Georg Ohm.
Ohm's Law can be stated as mathematical equations, all derived from the same principle.
In the following