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What is the kilowatt-hour consumption of a 40W lamp if it remains on for 1750 hours?

The energy consumption of the 40W lamp can be calculated as follows: Energy consumption = Power (kW) x Time (hours) Energy consumption = 40 W / 1000 (to convert W to kW) x 1750 hours = 70 kWhThe kilowatt-hour consumption of a 40W lamp if it remains on for 1750 hours is 70 kWh (kilowatt-hours).


An electric lamp is marked 250W 230V what does this mean?

This means that the lamp consumes 250 watts of power when operated at 230 volts. It indicates the electricity consumption and the voltage rating required for the lamp to operate efficiently.


Does a lamp consume electricity even when turned off?

Yes, a lamp consumes a small amount of electricity even when turned off because it is still connected to a power source and has standby power consumption.


What is the amount of power consumed by a 60 watt 220 volt lamp when it is connected across 110 volt supply?

When connected to a 110-volt supply, the 60-watt 220-volt lamp will consume power that is calculated using the formula P = V^2 / R, where P is power, V is voltage, and R is resistance. Since the resistance of the lamp remains constant, the power consumption would be (110^2 / 220) = 55 watts. Thus, the lamp would consume 55 watts of power when connected across a 110-volt supply.


How do you change operating voltage of metal halide lamp from 240 to 120?

The lamp needs to be rated for the voltage applied to it. The fixture in which the lamp is installed also needs to be rated for the voltage. So, it is not a matter of changing the lamp, it is a matter of having the fixture and lamp that are properly rated for the voltage that you are applying to it.

Related Questions

What is the kilowatt-hour consumption of a 40W lamp if it remains on for 1750 hours?

The energy consumption of the 40W lamp can be calculated as follows: Energy consumption = Power (kW) x Time (hours) Energy consumption = 40 W / 1000 (to convert W to kW) x 1750 hours = 70 kWhThe kilowatt-hour consumption of a 40W lamp if it remains on for 1750 hours is 70 kWh (kilowatt-hours).


How does changing voltage across a lamp affect the power consumption of the lamp?

because it does!


An electric lamp is marked 250W 230V what does this mean?

This means that the lamp consumes 250 watts of power when operated at 230 volts. It indicates the electricity consumption and the voltage rating required for the lamp to operate efficiently.


What is the purpose of a lamp socket ring and how does it contribute to the functionality of a lamp?

The purpose of a lamp socket ring is to secure the lamp socket in place within the lamp base. It contributes to the functionality of the lamp by providing stability and support for the socket, ensuring that the bulb remains securely in place and making it easier to replace the bulb when needed.


How do you find the power consumption of the fluorecent lamp?

Look on the lamp because somewhere on it the power consumption should be printed.AnswerThere is a legal requirement that a lamp's rated powerand rated voltage is shown on the lamp -often, this is printed on the glass envelope. Realise, however, that any variation from the rated voltage will result in a somewhat-larger variation in the rated power. An alternative method, of course, would be to connect a wattmeter into the lamp's circuit. Strictly-speaking, incidentally, power is NOT 'consumed', but merely tells us the rate at which ENERGY is consumed.


Does a lamp consume electricity even when turned off?

Yes, a lamp consumes a small amount of electricity even when turned off because it is still connected to a power source and has standby power consumption.


Is a lava lamp a physical change or a chemical change?

A lava lamp demonstrates a physical change. The wax inside the lamp changes states from solid to liquid due to the heat of the light bulb, but its chemical composition remains the same throughout the process.


Is a lava lamp a chemical or physical change?

A lava lamp demonstrates a physical change. The wax in the lamp changes states from solid to liquid and back to solid again as it is heated and cooled, but the chemical composition of the wax remains the same throughout the process.


What is the amount of power consumed by a 60 watt 220 volt lamp when it is connected across 110 volt supply?

When connected to a 110-volt supply, the 60-watt 220-volt lamp will consume power that is calculated using the formula P = V^2 / R, where P is power, V is voltage, and R is resistance. Since the resistance of the lamp remains constant, the power consumption would be (110^2 / 220) = 55 watts. Thus, the lamp would consume 55 watts of power when connected across a 110-volt supply.


Rear middle stop lamp remains on when headlights are on 1991 subaru legacy?

There are a couple of things that can cause your middle stop lamp to remain on. The most common cause will be a loose or corroded ground wire.


Why do you think as the voltage across a lamp changes the power consumption?

Because the power of a resistive component is directly proportional to the square of the voltage across that component.


How do you change operating voltage of metal halide lamp from 240 to 120?

The lamp needs to be rated for the voltage applied to it. The fixture in which the lamp is installed also needs to be rated for the voltage. So, it is not a matter of changing the lamp, it is a matter of having the fixture and lamp that are properly rated for the voltage that you are applying to it.