The phase current I in amps (A) is equal to the real power P in watts (W), divided by square root of 3 times the power factor PF times the line to line RMS voltage VL-L in volts (V): Account.CreatedDate. It is related to the resistance of the material and the voltage applied to move the charge. According to Ohm’s law, the electric current formula will be, I=\frac {V} {R} Where, V is the voltage. If the emitter current, Ie, and β are known for the transistor circuit, IB can be calculated by the formula: Example If Ie=6ma and β=99, then. This calculator is based on simple Ohm’s Law.As we have already shared Ohm’s Law (P,I,V,R) Calculator In which you can also calculate three phase current. It is measured in amperes (A). We’ve seen the formula for determining the power in an electric circuit: by multiplying the voltage in “volts” by the current in “amps” we arrive at an answer in “watts.” Let’s apply this to a circuit example: How to Use Ohm’s Law to Determine Current. Power, Voltage, Current & Resistance (P,V,I,R) Calculator. But we have designed this one especially for DC Circuits (as well as work for Single Phase AC circuits without Power Factor… V: Voltage It can be represented by I and the SI unit is Amperes. The result of TODAY is a serial number representing a valid Excel date.You can format the value returned by TODAY using any standard date format, or use the TEXT function to build a text message that includes the current date. Learn the Power Formula. Electric current = Voltage / Resistance. Current (I) is the amount of electrical charge (Q) transferred per unit of time (t) = I = Q/t Voltage (V) is the work (W) required to move a unit of charge (Q) = V = W/Q Electrical power (P) = V*I = (W/Q)*(Q/t) = Work/time = W/t in watts The rate of flow of charge through a cross section of some region of a metallic material is called the electric current. Using Known Values If the emitter current, Ie, and the collector current, Ic, are known, IB can be calculated by the formula… R is the resistance. This cross-object formula, for example, displays the date and time an account was created as a Date/Time value on the page of its associated case. One ohm is defined as the resistance which allows the current of one ampere under a potential difference of 1 volt. 3rd Way to Calculate Base Current I B. Science - Physics - Electricity Electric Current The electrical relationships between resistance (R), current (I), power (P) and voltage (E) is defined by Ohm's Law. Formatting results. The equation is: I = V/R. The voltage V in volts (V) is equal to the current I in amps (A) times the resistance R in ohms (Ω): The current I in amps (A) is equal to the power P in watts (W) divided by the voltage V in volts (V): The current I in amps (A) is equal to the square root of the power P in watts (W) divided by the resistance R in ohms (Ω): Volts calculations. Electric current relates the electric charge and the time. You can use a formula to display the current date or time or find the difference between two dates or times. Where: I: Electric Current. An electric current is a stream of charged particles, such as electrons or ions, moving through an electrical conductor or space. It is measured as the net rate of flow of electric charge past a region. The formula for the electric current can be given as I= Qt where Q refers to coulomb charge and t= amount of time in second . I is the current. In the above circuit, we know we have a battery voltage of 18 volts and a lamp resistance of 3 Ω. NOTE: Direct Current formulae do not use (PF, 2, or 1.73); Single phase formulas do not use (2 or 1.73); Two phase-four wire formulas do not use (1.73); Three phase formulas do not use (2) * For three-wire, two phase circuits, the current in the common conductor is 1.41 times the current in either of the other two conductors.

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