A 50 watt, 8 ohm speaker requires 20 volts to drive it to full power. Watts equals volts and amps, while volts equals amps times ohms.
However, the 8 ohm rating is actually a minimum rating, and depends on frequency. Also, driving a speaker to full power on a continuous basis is not good for the speaker. (Or for the ears, either.)
A speaker runs on the audio power supplied by the amplifier. The typical peak power is 100 times the average power, and loud music in a room that can be heard out on the street is usually an average audio power of about ¼ watt.
7957445533356555.66432200966 that's the exact amount H
An audio speaker is usually powered only by the audio signal that comes via the leads from an audio amplifier. The average power in an audio signal is usually about 1% of the peak power, and even with loud music the average power is only ¼ watt or less. But the amplifier must be designed to supply the peak audio power and amplifiers are usually rated at 25-50 watts.
Power equals voltage times current in amps. The value of amps used is needed to do the math.
Watts and Volts are different units. It is like asking how many apples are there in 6 oranges. Watts = Volts x Amps x Power Factor Power Factor ranges from zero to one.
The unit of power is expressed in watts, and the product of current (Amps) and voltage (volts) is power there fore if you multiply the amps and the volts give watts. so 20 x 240 will give you a 4800 watts of power.
The equation that you are looking for is kW = Amps x Volts/1000. My average Sony audio amp at home uses about 20 watts or .02 kW at a low audio output level.
An audio speaker is usually powered only by the audio signal that comes via the leads from an audio amplifier. The average power in an audio signal is usually about 1% of the peak power, and even with loud music the average power is only ¼ watt or less. But the amplifier must be designed to supply the peak audio power and amplifiers are usually rated at 25-50 watts.
230 volts
Power equals voltage times current in amps. The value of amps used is needed to do the math.
There are no volts in a light. A light consumes power.
You require about 24 volts to power the windshield wiper.
Onions don't have volts.
6.3
none is magic
200
Watts and Volts are different units. It is like asking how many apples are there in 6 oranges. Watts = Volts x Amps x Power Factor Power Factor ranges from zero to one.
voltage meter
"Power (/Watts) = Current (/amps) * Potential Difference (/volts)" Therefore, power = 7 * 12 = 84 W