what is the formula for calculating current?
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.
1108522
The equivalent resistance of a 4-Ω and 12-Ω resistor placed in parallel can be determined using the usual formula for equivalent resistance of parallel branches: 1 / Req = 1 / R1 + 1 / R2 + 1 / R3 ... Now the Ohm's law equation (ΔV = I • R) can be used to determine the total current in the circuit.
1094412
The standard formula for calculating voltage is defined by Ohm's Law. It states that E(electromotive force or volts) = I(current passing through) x R(impedance in ohms in purely resistive circuit or Z, impedance in ohms of a circuit containing resistors and non linear impedances(inductors and capacitors).
440133
First, we use Ohm's law ( V = I × R ), to find the current through the resistor. The voltage across the resistor is V = 9 V. The resistance of the resistor is R = 100 ?. Then, we can use the power rule ( P = I × V ), to find the power dissipated by the resistor.
518861
Current is usually denoted by the symbol I. 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.
254108
['Identify all nodes.', 'Choose a reference node. Identify it with reference (ground) symbol. ... ', 'Assign voltage variables to the other nodes (these are node voltages.)', 'Write a KCL equation for each node (sum the currents leaving the node and set equal to zero). ... ', 'Solve the system of equations from step 4.']
633526
['Divide the load power by 1,000 for a value in kilowatts. ... ', 'Divide the power of your battery (also in kW) by the figure obtained to get the charging time. ... ', 'First calculate your load power (P), by multiplying the voltage (U in volts) by the current (I, in amps).']
420155
In one ampere of current, 6.242 × 1018 electrons are flowing every second. Multiply the strength of the current by this number to find the number of electrons flowing in the circuit per second.
616431
['Find the Thevenin Resistance by removing all voltage sources and load.', 'Find the Thevenin Voltage by reconnecting the voltage sources.', 'Use the Thevenin Resistance and Voltage to find the total current flowing through the load.']
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.
1288047
To calculate voltage drop: Multiply current in amperes by the length of the circuit in feet to get ampere-feet. Circuit length is the distance from the point of origin to the load end of the circuit. Divide by 100. Multiply by proper voltage drop value in tables. Result is voltage drop.
392316
In 1 Ampere of current. One ampere is equivalent to one Coulomb of charge flowing per second. Since each electron carries 1.6 x 10-19 Coulombs of charge, a current of one ampere represents a flow of (1/1.6) x 10+19 electrons or 6.22 x 10+18 electrons each second.
88310
Multiply the number of amps by the number of volts to obtain the number of watts in the circuit. The equation W = A x V shows this relationship where W is the wattage, A is the amperage and V is the voltage.
1185440
["The number of watts is equal to amps multiplied by volts. That's it! ... ", 'For example, if the current is 3 amps (3A) and the voltage is 110V, you multiply 3 by 110, to get 330W (watts). The formula is P=3A X 110V = 330 W (with P standing for power).', 'This is why watts are sometimes called volt-amps.']
1347167
By Ohm's Law, Current (I) is directly proportional to the Voltage (V) if Resistance (R) and Temperature remain constant. According the power formula, It says that Current is inversely proportional to the voltage if power remain same.
706743
The potential difference in a circuit is what causes current to flow through the circuit. ... 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.
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.