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Q: Which letter is used to reprsent voltage in a equation?
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What is the mathematical formula used to calculate a the voltage of a waveform?

If the wave is sinusoidal, the equation to determine voltage as a function of phase angle, is: V = V(p)sin(theta) where "V(p)" is peak voltage and "theta" is the phase angle. In the time domain, the equation for voltage is V = V(p)sin(wt) where 'w' was used for the Greek letter omega, which stands for frequency in radians per second and t is elapsed time from zero volts in seconds.


A letter used to represent a number in an equation is a?

Variable


What Equation is used to determine power loss?

Power (Joules) = the square root of the voltage squared divided by the resistance


What is a letter used to represent a number in an equation called?

a variable


What is the symbol used in formulas to represent voltage?

The symbol is actually a letter. The original letter was an E which stood for Electromotive force. Now-days the E is substituted by the letter V which of course stands for voltage.


Which word is used to name the bold number in math?

There is not a specific word that is used to bold a number in a math equation. Generally, a number or letter is not bold in a math equation, if a letter is of significance, it is normally capitalized.


What is a letter used to represent a numeric value in an expression or an equation?

It can be any letter of any alphabet: Roman, Greek.


How is Ohm's Law used?

Ohm's Law relates Voltage, Current, and Resistance. The equation is Voltage = Current times Resistance. Knowing any two, you can figure out the third, and that is one of the principles of basic circuit analysis.


What is the letter in an algebra equation called?

It is called a variable. x is the most used variable.


How much voltage is used per day?

Voltage is not "used" Voltage is constant.


What is used to measure voltage?

a voltmeter is used to measure voltage


What are the uses of equations?

They are very important in many areas such as maths and physics. They are used to work out unknown's. For example in physics if you know the current through a circuit, and the total resistance, and you need to find out the voltage, you can use the equation: Voltage= current * resistance, to work out.