what is the formula used to calculate voltage?
137989
The formula is V = I x R where V is the voltage, measured in volts, I is the amount of current measured in amps or amperage and R is the resistance, measured in ohms.
1186727
Use the Ohm's law formula: Power (watts) = Voltage (volts) x I current (amps). Arrange the equation for three-phase power to solve the current (amps): Current (amps) = power (watts) ÷ voltage (volts) ÷ square root of 3 (1.732) ÷ power factor; I = P ÷ (V_1. 732_p.
114487
Ohm's Law. The relationship between voltage, current, and resistance is described by Ohm's law. This equation, i = v/r, tells us that the current, i, flowing through a circuit is directly proportional to the voltage, v, and inversely proportional to the resistance, r.
960856
Key Points The potential difference between two points ΔV is often called the voltage and is given by ΔV=VB−VA=ΔPEq Δ V = V B − V A = Δ PE q . The potential at an infinite distance is often taken to be zero.
118290
['A percent v/v solution is calculated by the following formula using the milliliter as the base measure of volume (v):', '% v/v = mL of solute/100 mL of solution.', 'Example:', 'X % = 5.0 mL HCl/100 mL of solution.', 'X/100 = 5.0/100.', '100X = 500.', 'X = 5.0% % v/v.']
1093234
Use the Ohm's law formula: Power (watts) = Voltage (volts) x I current (amps). Arrange the equation for three-phase power to solve the current (amps): Current (amps) = power (watts) ÷ voltage (volts) ÷ square root of 3 (1.732) ÷ power factor; I = P ÷ (V_1.
106549
['the peak to peak voltage = 6 squares from the highest point to the lowest and each square is worth 10V. So the peak to peak voltage = 60 V.', 'the peak voltage ( Vo )= half the peak to peak voltage = 60 / 2 = 30 V.']
50617
Multiply the amount of the current by the amount of resistance in the circuit. The result of the multiplication will be the potential difference, measured in volts. This formula is known as Ohm's Law, V = IR.
671710
3 phase VA to amps calculation formula So amps are equal to volt-amps divided by the square root of 3 times volts.
292618
['Assign a reference node (ground).', 'Assign node voltage names to the remaining nodes.', 'Solve the easy nodes first, the ones with a voltage source connected to the reference node.', "Write Kirchhoff's Current Law for each node."]
953458
['The majority of homes are supplied with 230 volts (V) single-phase with an intensity of 40 amperes (A). ... ', 'The formula used to determine the capacity for a three-phase connection of 230 V or 400 V is identical, i.e.: √3 x U x I.']
354530
['example 1: an 11.1 volt 4,400 mAh battery – first divide the mAh rating by 1,000 to get the Ah rating – 4,400/1,000 – 4.4ah. You can now calculate as – 4.4Ah x 11.1 volts = 48.8Wh.', 'example 2: a 12 volt 50 Ah battery – 50 Ah x 12 volts = 600Wh.']
82181
Voltage is directly proportional to current, so when the voltage doubles, the current is cut in half. Voltage is inversely proportional to current, so when the voltage doubles, the current doubles.
491423
Ohm's law formula The resistor's current I in amps (A) is equal to the resistor's voltage V in volts (V) divided by the resistance R in ohms (Ω): V is the voltage drop of the resistor, measured in Volts (V). In some cases Ohm's law uses the letter E to represent voltage.
1063349
Single-Phase Calculations Basic electrical theory tells us that for a single-phase system, kW = (V × I × PF) ÷ 1,000. kW = (V × I) ÷ 1,000.
225219
The 12 most important Formulas: Voltage V = I × R = P / I = √(P × R) in volts V Current I = V / R = P / V = √(P / R) in amperes A. Resistance R = V / I = P / I2 = V2 / P in ohms Ω Power P = V × I = R × I2 = V2 / R in watts W.
66455
The current can be found from Ohm's Law, V = IR. The V is the battery voltage, so if R can be determined then the current can be calculated.