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The circuit designer typically picks a family of devices to implement the functionality of the circuit. The devices will fall into a range of voltages. Many integrated circuits operate at 5VDC, so it is an obvious choice for many applications.

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Q: Why is 5 volts DC used as a voltage in a power supply?
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How do you find the current draw of an electrical circuit if you do not know the voltage and wattage of the device?

Basically if you know the Voltage supply and the power used by an appliance then you use the formula for power which is Power = Volts x Amps. Rearrange so Amps (current) = Power / Volts If power was 2400 Watts and Volts was 240 the Current would be 2400 / 240 = 10 Amps


Vacuum tubes used in power amplifiers the filament power supply is typically how many volts?

6.3


Why does an amplifier need a power supply?

The power supply in either a guitar amplifier or in a professional sound amp reduces the 110v alternating current to a direct current. Also it reduces the voltage that can be used by the speakers, usually 12+ volts. Also if there where no power supply and there could be a possible way of reducing the voltage that could be used in the same was a direct current, you would here a constant phasing type noise from the current alternating. A power supply unit converts power that can be used in correctly in sound frequencies.


What is the output voltage introduced by the ATX form factor PSU?

An ATX power supply unit delivers power in three voltages: 3.3 volts, 5 volts, and 12 volts. The 3.3 volt pins are used only in the motherboard connector. Older, AT power supplies and motherboards used only 5 volt and 12 volt pins in the motherboard connection.


Will the IC 74ls08 get damage if we apply 6 volts instead of 5 volts as supply voltage?

The 74LS series is designed for a 5 v supply so they should be used with the right supply voltage. 6 v would probably not destroy them but the logic functions might be impaired.


For what are high voltage power supplies typically used for?

High voltage power supplies have many uses. It is most commonly used to supply power from a device to the circuit. These are great for people who need to supply their house with power.


What voltage supply is used in flashlights?

The power supply is always batteries. Many series and different voltages. The popular voltage is like imalent flashlight in 2.8V--9V.


Can I use a 16vac 4A power supply to power 16vac 1000ma tube amp?

Yes, 1000 ma equates to 1 amp. The 4 amp power supply will have more than enough capacity to operate any device drawing 1 amp.Just make sure that the voltages match. AC voltage of the power supply to AC voltage on the device. You can not cross voltages using a DC power supply to operate an AC device, or the other way around, an AC power supply to operate a DC powered device, even though the voltage values are the same.


What is the difference between line voltage and low voltage?

Answer for USA, Canada and countries running a 60 Hertz supply service.Line voltage is a term that is used to describe the voltage that is used to operate a specific device. A service that comes into a building would be considered line voltage. For a Class 1 circuit the top voltage for low voltage installations is 30 volts at 1000 vA. For a Class 2 circuit the top voltage for low voltage installations is not under 30 volts and not over 60 volts at 100 vA. Voltages used above 750 volts are considered high voltage installations.


How many amps in 70 watts?

To answer this you have to know how many volts will be used. If you know the voltage then you can calculate the current by dividing voltage into wattage. For example; an electric heater rated at 700 watts when plugged into a 115 v outlet will draw 700/115 = 6.08 amps of current.


How do you power a 15 amp 12v DC wrench with a 110 AC outlet?

To operate this type of low voltage wrench, a power supply will have to be used. When looking for this type of power supply the output has to be 12 volts DC with a capacity of 15 amps or W = A x V = 180 watts.


Volts peak is equals to dc volts?

"Voltage peak" is generally used to denote the maximum(amplitude) of AC voltage supply. It can not be approximated as dc value. The closest approximation one can make for dc value of a ac supply is the RMS(root mean square) value of the voltage. So that the ohmic loss caused by the given AC voltage supply is equivalent to that caused by a dc supply having value equal to the RMS of this AC supply (for given impedance & time).