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A dimmer switch is used for lighting loads and not heating loads. The wattage rating on a dimmer switch is what the manufacturer recommends as the maximum load that the switch can handle. For example if you have ten 100 watt lamps, the total load wattage would be 1000 watts (10 x 100). Too much load for a 600 watt rated dimmer switch but not for a 1000 Watt rated dimmer switch. So you can see that the rating on a dimmer switch governs the maximum wattage load that can be connected in the circuit that is to be controlled.
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How many KVA in mag watt?
You cannot convert Volts (or kv, 1000 volts) to watts (or mega watts, 1,000,000 watts) because volts are measure of electric potential difference between two points and watts are a measure of energy/time. However, WATTS = VOLTS x AMPS so... if you have 1000 AMPS flowing over a resistance/load with a difference in potential of 1000 volts (1 KV), you have 1,000,000 WATTS (1 MEGAWATTS) of energy consumed/time. So if a motor has 1KV potential accross its terminals and it is consuming 1,000 AMPS, it is a 1 MegaWatt motor (a large one indeed). To get energy, you have to multiply this 1MegaWatt x the time the motor runs and x a conversion factor to get to the appropriate unit of energy. Yes, I've been called a nerd before.
Calculate the Power in watts dissipated by a resistor of 1000 ohms with 200 volts across it 2 watts 20 watts 40 watts 400 watts?
Ohms law states that V = I * R I = V/R R = V/I P = I*V Where V = Voltage, I=Current, R = Resistance and P = Power or Watt Watt is the amount of electricity flowing through a line which is (Voltage times Current in (Amperage) = Power or watts) To find the power dissipated by a resistor of 1000 ohms, we first find the current I. The voltage is given as 200volts. Therefore I = V/R = 200/1000 = 0.2Amps We said Power or Watt = I*V Therefore the Power or watts dissipated by a resistor of 1000 ohms will be P=I*V = 200*0.2 = 40 Watts
2kw fire What amperage used?
"2kw fire" if this refers to an electric fireplace then you also need to know the voltage that is used. 1Kw = 1000 watts. Watts = Amps x Volts. Amps = Watts/ Volts. Amps = 2000/Volts.
What is the power dissipated by a resistor with a current of 0.02 A adn a resistance of 1000 ohms?
Power dissipated = I2R 0.022 x 1000 = 0.4 watts
How many watts are in a kwh?
A 1000 watt device operated continusouly for 1 hour would equal 1 Kwh.
