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The current [I] (measured in Amps) is equal to the power [P] (measured in Watts) divided by the voltage [V] (in Volts).

I = P/V

Amps = Watts / Volts

Therefore,

P*V=I

Watts * Volts = Amps

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11y ago
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14y ago

There are two important formulas when calculating Voltage, Current, Resistance and wattage. Ohm's Law states that Voltage = Current x Resistance; and Watts = Current x Voltage x PF, where PF is the power factor and has a value from zero to 1. For a purely resistive load the PF is 1 so the formula is simplified to Watts = Current x Voltage. PF decreases for loads like motors or lights with ballasts.

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A Mho or Siemens

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Q: What is the formulae for the relationship between amps volts and resistance?
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What is the difference between ohms and volts?

ohms is the unit of resistance while volts is the unit of voltage


What are Ohms Law and the Power Law?

Ohms Law is used for the measurement of resistance. You can find the resistance in a series circuit using this equation; amps=volts/resistance or volts=amps x resistance.The Power Law is used to find the wattage in the circuit. You can find the amount of watts using this equation: watts=volts x amps.CommentOhm's Law has nothing whatsoever to do with either resistance or power.The equation, R = E/I, is derived from the definition of the ohm, and not from Ohm's Law.Ohm's Law simply describes a linear relationship between the potential difference across a conductor and the current through it. It does NOT describe the relationship between potential difference, current, and resistance.


What is the difference between the emf of a battery and the lost volts when discharging called?

Internal resistance


In a circuit is current proportional to resistance?

Ohms law is: I = V / R (current = voltage / resistance)... where if the voltage or resistance changes then the current will change. ... the current and resistance is a inversely proportional linearly relationship ...this means that if the resistance doubles then the current halfs, if the resistance halfs then the current doubles, etc...hope this helps


What effect are there when resistance is increased in the size of the current?

Current is inversely proportional to resistance. If you double the resistance, you halve the current. Ohm's Law: Volts = Amps * Ohms Solve for Amps: Amps = Volts / Ohms

Related questions

What is the relationship between electric currentvoltage and resistance?

The relationship is given by Ohm's Law:V = IR (voltage = current x resistance) In SI units: Volts = amperes x ohms


How can you convert amperes in to volts?

Amperes does not convert into volts they are two different values. Become familiar with the following formula and look at the relationships between the values. Volts = Amps x Resistance, Amps = Volts / Resistance and Resistance = Volts / Amps.


What is the difference between ohms and volts?

ohms is the unit of resistance while volts is the unit of voltage


What are Ohms Law and the Power Law?

Ohms Law is used for the measurement of resistance. You can find the resistance in a series circuit using this equation; amps=volts/resistance or volts=amps x resistance.The Power Law is used to find the wattage in the circuit. You can find the amount of watts using this equation: watts=volts x amps.CommentOhm's Law has nothing whatsoever to do with either resistance or power.The equation, R = E/I, is derived from the definition of the ohm, and not from Ohm's Law.Ohm's Law simply describes a linear relationship between the potential difference across a conductor and the current through it. It does NOT describe the relationship between potential difference, current, and resistance.


What is the resistance of a lamp operating at 115 volts and using 0.25 amperes of current?

The resistance of a lamp operating at 115 volts and using 0.25 amp of current is 460. The relationship I used is Ohm's law.


The mathematical relationship between current voltage and resistance is known as?

Ohm's LawAnswerIt's not known as anything; it's simply an equation. Ohm's Law describes constant proportionality between current and voltage for certain, but not all, materials (linear or ohmic) -it has nothing to do with this equation.


How many watts are in 30 volts?

There is no direct relationship between watts and volts. Watts = volts x current in amps.


If you multiply amps times volts the answer will be in units of?

Voltage, measured in volts. <><><> This question is derived from the fundamental relationship between electrical components which is known as Ohms Law: V = I x R where V = voltage (Volts), I = current (Amps) and R= resistance (Ohms).


What is the difference between the emf of a battery and the lost volts when discharging called?

Internal resistance


What is the relationship between amperage voltage and power.?

The relationship between amperes, volts, and watts is... watts = amperes * volts Confirming by looking at the fundamental units involved... watts (joules per second) = amperes (coulombs per second) * volts (joules per coulomb)


What the relationship between amperage voltage and power.?

The relationship between amperes, volts, and watts is... watts = amperes * volts Confirming by looking at the fundamental units involved... watts (joules per second) = amperes (coulombs per second) * volts (joules per coulomb)


What are the limitations of ohms law?

It requires the ability to multiply and divide. It requires the ability to mentally separate voltage from current and to understand resistance and when to add resistance for series circuits and worse identify and calculate parallel loads.