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the unit which are measured for power of lights are watts....

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15y ago

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What is the power of light bulb mesured in?

a light bulb is measured in watts


Light bulbs are measured in units of what?

Light bulb are measured in Candela (Cd) for its luminous intensity and Watt for its power consumed.


What is a light bulb measured in?

The unit for intensity of light is candela(cd). However, bulbs are rated by their power usage which is measured in watts(W)


The power pf light bulbs in Measured in?

The power of light bulbs is measured in watts (W), which indicates the amount of energy consumed and the brightness of the light produced. The higher the wattage, the brighter the light emitted by the bulb.


How much power does a light bulb use when it is turned on?

When a light bulb is turned on, it uses a certain amount of power, measured in watts. The power consumption of a light bulb can vary depending on its wattage, with higher wattage bulbs using more power. For example, a 60-watt bulb uses 60 watts of power when turned on.


How do you calculate the efficiency of a light bulb?

To calculate the efficiency of a light bulb, you would divide the light output (measured in lumens) by the power input (measured in watts). This will give you the number of lumens per watt, which is a measure of how efficiently the light bulb converts electricity into visible light. The higher the lumens per watt value, the more efficient the light bulb.


How is electric power of a light bulb measured?

Since the light bulb is purely resistive (has very little reactance), you can just measure the RMS voltage across the light bulb (usually 120 V) and the RMS current going through the light bulb. Power (P) is:P = VRMS x IRMSwatts


How much eletricity does a light bulb take?

The amount of electrical energy it uses in a fixed time is the power, measured in watts, that should be marked on the light bulb when it's bought.


Give example of power in physics?

An example of power in physics is when a light bulb converts electrical energy into light and heat. The power of the light bulb is determined by the rate at which it converts energy, measured in watts. This power output determines how bright the light will be or how much heat is generated.


What is the power of a light bulb?

Every person has a different power of light bulb. In my room, I have a 7.5 and a whole bunch of 60s. The number of watts you choose for your light bulb depends on how bright you want your light to be. The higher the number, the brighter it is.


What is the power rating for a light bulb in one hour?

The power rating of a light bulb is measured in watts (W), which represents the amount of electrical energy it consumes per unit of time. If a light bulb has a power rating of 60 watts (for example), it means it consumes 60 watt-hours of energy in one hour of operation.


What is the electrical power of light bulbs what is it measued in?

Electrical power of a bulb is real power used by the bulb. It is measured in Watts. In general, the higher the bulb watt rating, the more lumens it will produce. This is not always the case, since some bulbs are more efficient than others at turning electrical energy into light (ie some bulbs produce more heat, an unwanted byproduct, than others). Real electrical power is always measured in watts. Total power (real and reactive) is measured in volt amperes, which is a vector summation of real power plus reactive power. Power times a time it is used is measured in Joules, or watt seconds.