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Using Ohm's law what is the formula to find amperage in a circuit?
Wiki User
∙ 14y ago
Take your circuit voltage and the power of the appliances and divide.E is voltage I is amperage and P is power or wattage. P=ExI Example. 3500 watt heater draws ? Amps on 220Volts I=P/E I= 3500w/220v I= 15.9Amps
Wiki User
∙ 14y ago
Wiki User
∙ 11y agoOhm's Law
Voltage = Current x Resistance
V = I x R
AnswerThere is NO 'Ohm's Law formula'! Ohm's Law is simply a statement of the relationship between voltage and current in somematerials. What is mistakenly called the 'Ohm's Law formula' is actually derived from the definition of an ohm.
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According to Ohms law as voltage increases amperage?
INCREASES
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.
The total resistance of a series circuit containing three 10 ohm resistors is ohms.?
30 ohms
What is the total resistance of a series circuit that contains two resistors having values 28 ohms and 56 ohms?
28 + 56 = 84 ohms
If voltage is 12 volts and ohms is 0.5 how many amps in circuit?
Ohm's law: Volts = Amps * Ohms, or Amps = Volts / Ohms 12 volts / 0.5 ohms = 24 amps
Formula for ohms law?
ohms=amps/volts Amps= volts/ohms Volts = Amps*Ohms
How do you know service amperage?
use ohms law which in this case is volts divided by resistance in circuit
Using ohm's law what is the formula to find the resistance in a circuit?
Resistance of the circuit = (voltage across the circuit) divided by (current through the circuit)
What is the resistance of a circuit that takes a current of 0.5A when the voltage to the circuit is 40v?
The formula you are looking for is Ohms = Volts/Amps. R = E/I.
What is ohms law for determining amperage?
I=e/r
When the resistance in an electrical circuit increases and the voltage does not change the current flowing in the circuit?
Here is the formula you use. I = E/R. I = amperage, E = volts, R = resistance in ohms.
According to Ohms law as voltage increases amperage?
INCREASES
What is the resistance of a circuit with 120V and 10A?
Assuming DC and resistive loads, resistance equals voltage across the load, divided by the current through it. In this case 120/10 or 12 ohms.
In a parallel circuit the smallest resistor is 500 ohms. What is the largest value this parallel circuit can have?
500 ohms.
What is the total resistance of a series circuit with 5ohms10 ohms 20 ohms?
35 ohms
There are three sources of resistance in a parallel circuit two of them are rated at 20 ohms the other at 10 ohms what is the circuit's total resistances?
5 ohms.
If the resistance of an electric current is 12 ohms and the voltage in the current is 60 V the current flowing through the circuit is?
..using the formula Voltage(V)=Current(I) * Resistance(R) .. we can get the result ...current will be 5 Ampere
