Q:
# What Are Some Commonly Used Electrical Math Formulas?

Ohm's law, expressed as the formula written as V = IR, is the most commonly used mathematical formula in electrical work. The electrical power formula, written as P = VI, is another frequently used electrical math formula.

Continue ReadingIn electrical math, V = voltage, R = resistance in ohms, I = current in amperes and P = power in watts. Thus, the formula V = RI means "voltage equals resistance times current." This formula can be used to find voltage, resistance or current if the other two variables are known.

Similarly, the power formula, P = VI, can be used to calculate power, voltage or current if the other two variables are known. The power formula is sometimes written as W = VA, where W = wattage and A = amperage. This formula is remembered with the mnemonic device "West Virginia."

Learn more about Electrical-
Q:
## How Does a Wireless Electrical Outlet Work?

A: A wireless electrical outlet works by using the magnetic fields that occur naturally in a current moving through the wires in a outlet to create a current ... Full Answer >Filed Under: -
Q:
## How Does Electrical Epilation Work?

A: Electrical epilation, or electrolysis, uses a sterile probe inserted into an individual hair follicle to apply a low-level electrical current that permanen... Full Answer >Filed Under: -
Q:
## What Are Some Important Tools for Electrical Work?

A: Important tools for electrical work include a voltage tester, a digital multimeter, wire strippers and cutters, drills and fish poles and tape. Basic tools... Full Answer >Filed Under: -
Q:
## What Are Some Symbols Used in Electrical System Diagrams?

A: Symbols used in electrical system diagrams include the ground symbol, the resister symbol, generator symbol and capacitor symbols. These symbols are used a... Full Answer >Filed Under: