What is voltage divided by resistance?

current = voltage divided by resistance or I = V/R. Substituting the numbers you find that I = 9 / 3 = 3. However, you need the unit for current. Current is measured in amperes, so the answer is 3 ampere (amps).

What is the resistance equal to According to Ohm’s law?

Resistance has units of ohms (Ω), related to volts and amperes by 1 Ω = 1 V/A. There is a voltage or IR drop across a resistor, caused by the current flowing through it, given by V = IR.

What is the Ohm’s Law equation for voltage?

When spelled out, it means voltage = current x resistance, or volts = amps x ohms, or V = A x Ω.

What is volts divided by ohms?

There is a basic equation in electrical engineering that states how the three terms relate. It says that the current is equal to the voltage divided by the resistance or I = V/R. This is known as Ohm’s law.

How is the resistance calculated in ohm’s law?

Resistance calculation. The resistance R in ohms (Ω) is equal to the voltage V in volts (V) divided by the current I in amps (A): Since the current is set by the values of the voltage and resistance, the Ohm’s law formula can show that: If we increase the voltage, the current will increase. If we increase the resistance, the current will reduce.

Is the resistance of a circuit equal to the voltage?

Ohm’s law states that voltage in a circuit is equal to resistance times current true Ohm’s law states that resistance in a circuit is equal to voltage times current

How does ohm’s law work in an AC circuit?

Ohm’s Law for AC Circuit. The load’s current I in amps (A) is equal to the load’s voltage V Z=V in volts (V) divided by the impedance Z in ohms (Ω): V is the voltage drop on the load, measured in Volts (V)

What does the letter E represent in ohm’s law?

In some cases Ohm’s law uses the letter E to represent voltage. E denotes electromotive force. I is the electrical current flowing through the resistor, measured in Amperes (A) R is the resistance of the resistor, measured in Ohms (Ω) When we know the current and resistance, we can calculate the voltage.