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You can buy a transformer that will output 12 volts DC at just about any electronics or department store. You will need to check the amperage as well to make sure that the transformer can handle the current draw, but for a radio this should not be that high (it's okay for the transformer to be rated for MORE amps than the radio draws).

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Formula for 7.5va convert into Amperes load comsumption?

To convert 7.5 VA to amperes, you can use the formula: Amperes = VA / Volts. For example, if the voltage is 120V (typical for household circuits), then 7.5 VA / 120V = 0.0625 amperes.


Can you convert a 30 amp 120V RV receptacle into a normal 120V outlet?

You can, but your circuit will be "protected" by a 30 amp breaker. So you'll have to consider the safety issues of having wiring and appliances that can draw up to 30 amps before tripping the breaker. Will the wiring and circuity support that much current without damage? If not, then switch to a 15 or 20 amp breaker.


Can you convert 120v household into 220v 3 phase for a machine?

No, you cannot directly convert a 120V household outlet to supply 220V 3-phase power for a machine. You would need a transformer to step up the voltage and a suitable 3-phase power source to provide the required power for the machine. It is recommended to consult with a licensed electrician to ensure proper installation and safety compliance.


120v how much current does a 1500w resistace heater draw?

Using the formula Power = Voltage x Current, we can calculate the current: Current = Power / Voltage. Plugging in the values, we get 1500W / 120V = 12.5A. So, a 1500W resistance heater would draw 12.5A of current at 120V.


Why would a high watt lamp draw more current than a low watt lamp?

Power is measured in Watts, power (Watts) = E (volts) x I (current - amps) current is determined by the internal resistance (R) of the lightbulb, the lower the resistance the more current will flow. 120v x 0.5a = 60W 120V x 0.83a = 100W the 100W lightbulb will draw more current We also have Ohm's law: E(volts) = I (amps) x R (ohms) Household voltage stays the same at 120v we have for a 100w lamp: 120v = I x R R = 120v/0.83 amps R = 144.6 ohms for a 60w lamp: 120v = I x R R = 120v/0.5 amps R = 240 ohms The higher watt lamp has lower resistance.

Related Questions

Formula for 7.5va convert into Amperes load comsumption?

To convert 7.5 VA to amperes, you can use the formula: Amperes = VA / Volts. For example, if the voltage is 120V (typical for household circuits), then 7.5 VA / 120V = 0.0625 amperes.


Can you convert a 30 amp 120V RV receptacle into a normal 120V outlet?

You can, but your circuit will be "protected" by a 30 amp breaker. So you'll have to consider the safety issues of having wiring and appliances that can draw up to 30 amps before tripping the breaker. Will the wiring and circuity support that much current without damage? If not, then switch to a 15 or 20 amp breaker.


Can you convert 120v household into 220v 3 phase for a machine?

No, you cannot directly convert a 120V household outlet to supply 220V 3-phase power for a machine. You would need a transformer to step up the voltage and a suitable 3-phase power source to provide the required power for the machine. It is recommended to consult with a licensed electrician to ensure proper installation and safety compliance.


How far can 7.2kilowatt of electricity travel?

It depends upon what voltage pushes the current. Thousands of volts can push for miles. 120v common household current can only travel about 1000 feet or less.


120v how much current does a 1500w resistace heater draw?

Using the formula Power = Voltage x Current, we can calculate the current: Current = Power / Voltage. Plugging in the values, we get 1500W / 120V = 12.5A. So, a 1500W resistance heater would draw 12.5A of current at 120V.


How many amps can a 0.50 kva transformer give 277v input 120v output?

To determine the output current in amps for a 0.50 kVA transformer with a 277V input and 120V output, you can use the formula: Power (kVA) = Voltage (V) × Current (A) / 1000. For the output at 120V, the current would be calculated as follows: 0.50 kVA = 120V × Current (A) / 1000, which gives Current = (0.50 × 1000) / 120 ≈ 4.17 amps. Thus, the transformer can provide approximately 4.17 amps at the 120V output.


Can you plug 230 volt 60 Hz 4.8 A pump into a household receptical with a GFI breaker?

No. A household receptacle is 120V. It will not work.


Why would a high watt lamp draw more current than a low watt lamp?

Power is measured in Watts, power (Watts) = E (volts) x I (current - amps) current is determined by the internal resistance (R) of the lightbulb, the lower the resistance the more current will flow. 120v x 0.5a = 60W 120V x 0.83a = 100W the 100W lightbulb will draw more current We also have Ohm's law: E(volts) = I (amps) x R (ohms) Household voltage stays the same at 120v we have for a 100w lamp: 120v = I x R R = 120v/0.83 amps R = 144.6 ohms for a 60w lamp: 120v = I x R R = 120v/0.5 amps R = 240 ohms The higher watt lamp has lower resistance.


How much current flows in a 12 watt radio connected to 120 volt circuit?

A 120V household electrical outlet supplies 12 watts of powerwhen the current is 0.1 Ampere (and the power factor is 100%).


120v to 16v 10w transformer how do you convert 16vDC to 2vDC to run an LED?

Divide the LEDs current into the voltage and derive a proper current limiting resistor value. 16/0.02=800 ohms. That is for a 20 ma LED.


How many watts is .71 amps?

Power in watts is current x voltageFor 120 volts it would be .71 x 120 = 85 watts


How many ohms is a 120 volts?

"Volts" is electrical pressure applied to a circuit; whereas, "ohms" is electrical resistance to that pressure. One cannot determine ohms from voltage without knowing either the current (in "amps") or power (in "watts"). A normal 120V household circuit can handle a maximum of 20 amps, so using ohm's law of resistance = voltage / current, the minimum resistance required in a 120V household circuit would be 6 ohms. Any less than 6 ohms will cause the circuit breaker to trip.