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What is the formula for calculating current flow?

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What is the formula for calculating current flow?

Ohm’s law relates the current flowing through a conductor to the voltage V and resistance R; that is, V = IR. An alternative statement of Ohm’s law is I = V/R. Current in gases and liquids generally consists of a flow of positive ions in one direction together with a flow of negative ions in the opposite direction.

What is the flow of a current?

Electric Current is the flow of electrons through a wire or solution. In a solid the electrons are passed from one positively charged metallic atom to next but in solution the electron is carried by the ions present in the solution. A solution capable of carrying charge is called an electrolyte.

How do you calculate current in single phase?

Amps calculation with line to line voltage

  1. I(A) = P(W) / (√3 × PF × VL-L(V) ) So amps are equal to watts divided by square root of 3 times power factor times volts.
  2. amps = watts / (√3 × PF × volts) or.
  3. A = W / (√3 × PF × V) Example.
  4. I = 330W / (√3 × 0.8 × 110V) = 2.165A. Amps calculation with line to neutral voltage.

What is electric current with example?

Examples of current electricity are starting a car, turning on a light, cooking on an electric stove, watching TV, shaving with an electric razor, playing video games, using a phone, charging a cell phone and more.

How do you calculate current?

Still another method to calculate Current is by using the formula, I = P/V. where, P is the Power in Watts and V is the Voltage in volts. so, Current is equal to Power divided by Voltage. Ampere is a large unit of current so small units of amperes like mAmp, nAmp, uAmp are also used in the calculations.

How do you calculate current in parallel circuit?

How to Calculate the Current in a Parallel Circuit. The current at A 2 flowing through the 2 ohm resistor. can be found using the equation V = I x R. The equation can be rearranged to give. current = voltage ÷ resistance I = V ÷ R.

How do you calculate wattage?

Calculating Wattage. The formula for calculating wattage is: W (joules per second) = V (joules per coulomb) x A (coulombs per second) where W is watts, V is volts, and A is amperes of current. In practical terms, wattage is the power produced or used per second.

What is current in a circuit?

Current is the rate at which electrons flow past a point in a complete electrical circuit. At its most basic, current = flow.