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What else can I help you with?
How do you calculate the current in 40W tube light in 230V?
Voltage x Current = Power So Power / voltage = current Now you do the math
How do you calculate electrical power?
Voltage x current. In a resistor for example it is the voltage drop across it that is relevant, it may be part of a circuit.
What equation relates power to current and resistance?
Power = (current) times (voltage)Current = (Power) divided by (voltage)Voltage = (Power) divided by (current)
How can calculate the power of contactor if you know the amper is 30 a?
To calculate the power of a contactor when you know the current (in this case, 30 amps), you can use the formula: Power (P) = Voltage (V) × Current (I). First, determine the voltage at which the contactor operates (e.g., 120V, 240V, or 480V). Then, multiply the voltage by the current: for example, at 240V, the power would be P = 240V × 30A = 7,200 watts (or 7.2 kW).
What is the relationship between voltage power and current?
The unit of power is watts, the unit of current is amps, and the unit of voltage it volts. Power = Voltage X Current Voltage = Power / Current Current = Power / Voltage In electricity, power is symbolized with a P, current with an I, and voltage with a V. The real formula looks like: P = V x I V = P / I I = P / V
How can you calculate current when you have volts power?
Divide Watts by Volts ; this gives you Amps.
How do you calculate the current in 40W tube light in 230V?
Voltage x Current = Power So Power / voltage = current Now you do the math
HOW CAN you calculate power if you know the voltage and current?
P = I^2 R = IV = v^2 / R , Where P is power, I is current, R is resistance, and V is voltage. Given voltage and current, power = current * voltage, or P = IV.
How do I calculate wattage?
To calculate wattage, you need to multiply the voltage (V) by the current (I). The formula is: Wattage (W) = Voltage (V) x Current (I). This formula applies to electrical circuits where the voltage is known and the current is flowing.
How do you calculate the power rating of a bulb?
The power rating of a bulb is calculated by multiplying the voltage across the bulb by the current passing through it. The formula is P = V * I, where P is power in watts, V is voltage in volts, and I is current in amperes. This calculation helps determine the amount of energy the bulb consumes during operation.
How do you calculate power loss from a resistor?
The power dissipated across a resistor, or any device for that matter, is watts, or voltage times current. If you don't know one of voltage or current, you can calculate it from Ohm's law: voltage equals resistance times current. So; if you know voltage and current, power is voltage times current; if you know voltage and resistance, watts is voltage squared divided by resistance; and if you know current and resistance, watts is current squared times resistance.
How can you calculate the current an appliance can use?
To calculate the current an appliance can use, divide the power rating of the appliance (in watts) by the voltage it operates on (in volts). The formula is: Current (in amperes) = Power (in watts) / Voltage (in volts). This calculation will give you the maximum current the appliance can draw under normal operating conditions.
How do we calculate?
V = I x R V = voltage, I = Current, R = Resistance or it can be calculate like this V = P / I V = Voltage, P = Electric Power, I = Current
How do you calculate output power?
Output power can be calculated by multiplying the current (I) flowing through a device by the voltage (V) across it, i.e., P = I * V. This formula is based on Ohm's Law, which describes the relationship between voltage, current, and resistance in an electrical circuit.
How many volts is 450 watts?
To calculate the voltage, you need to know the current (amperage) as well. The formula to calculate power (watts) given voltage (volts) and current (amps) is: Power (P) = Voltage (V) x Current (I). Without knowing the current, it is not possible to directly convert watts to volts.
How do you calculate electrical power?
Voltage x current. In a resistor for example it is the voltage drop across it that is relevant, it may be part of a circuit.
How do you calculate DC power if voltage and currents are given?
P = E * I Power (watts) equals voltage (E) times current (I)
