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What letter represents current in equations?
The letter "I" is normally used for direct current, or for the average current in the case of AC. The lower-case version, "i", is used for the instantaneous current, in the case of AC.
What is a letter or symbol used to represent an unknown quantity?
A letter or symbol used to represent an unknown quantity is typically called a variable. In mathematics, common variables include letters such as ( x ), ( y ), and ( z ). These variables can stand for different values in equations and expressions, allowing for the representation of general cases and relationships between quantities.
What is alegebra?
Algebra is a part of mathematics in which letters and other symbols are used to represent numbers and quantities in formulas and equations.
What is a symbol that could represent a number?
In mathematical equations letters of the alphabet are used to represent numbers. Letters in the beginning of the alphabet, a, b, c...,etc typically represent Constants. Letters at the end, x, y, z..typically represent Unknowns, or variables.
How do you represent a constant and variable?
Variable: A letter or symbol used to represent a number or quantities that vary
