The Ohm’s Law Calculator is a useful tool for determining the voltage, current, and power relationship. Simply type in the two parameters, and the unknown parameter will appear in a flash.
According to Ohm's law, the potential difference between two points in a circuit is directly proportional to the current running through the circuit and the resistance of the circuit.
The formula that defines Ohm's law is; V = IR
The electrical circuit's current, voltage, and resistance are calculated using Ohm's law. The voltage drop across electrical components is controlled using this law.
The following are some of Ohm's law's limitations
For more concepts check out physicscalculatorpro.com to get quick answers by using this free tool.
Finding Voltage is one of Ohm’s Law's most basic concepts. To get the Voltage, we can rewrite the calculation above as V= IR. If you know the current and resistance, you can easily compute the voltage by replacing them in the formula above. Volts are the units of voltage.
Power is another value that can be determined using Ohm's Law as a foundation. The formula P = V x I expresses power as the product of voltage and current. Watts are the units of power.
Ohm’s Law can also be expressed in terms of the location of electrical properties within a conductor. If the particular resistance of conductive materials is independent of the applied field value and direction. The formula for calculating Ohm's law is
ρ = E / J
When working with anisotropic materials like wood or graphite, the above formula can be quite useful.
The following is the procedure how to use the Ohms law calculator
Question 1: A current of 4.2 A passes through an electric iron with a resistance of 60. Calculate the difference between two places in terms of voltage?
Given: I = 4.2A
R = 60
V = IR = 4.2 x 60 = 252v
Question 2: A fully resistive electrical equipment is connected to an EMF source of 7.0 V. (a light bulb). It is powered by a 3.0 A electric current. Assume that the conducting wires have no resistance. Determine how much resistance the electrical appliance provides?
Given: V = 7.0v
I = 3.0A
V = IR
R = V/I = 7.0/3.0 = 2.33Ω
1. How many amperes does one ohm contain?
One. We'll assume you're working with amperes and volts/ohms. The ampere is the SI base unit for electric current.
2. What is the application of Ohm's Law?
Ohm's law is used to validate the static values of circuit components such as current levels, voltage supplies, and voltage drops.
3. How many ohms in 100 watts?
8 ohms. It's worth noting that the power output (100 watts) is at a set load (8 ohms). This means that the maximum output power of an 8-ohm speaker will be 100 watts.
4. Is there a difference between ohms and K ohms?
One kilo ohm is equal to 1,000 ohms, which is the resistance between two points of a conductor carrying one amp at one volt.