In 1919, the 18th Amendment to the U.S. Constitution, which prohibited the sale and manufacture of alcohol, was ratified. It went into effect on January 16, 1920âbeginning the era known as Prohibition.
Because time constant calculations are important, and often needed, it is better to make the definition of the time constant (T) in a CR circuit: THE TIME TAKEN FOR THE VOLTAGE ACROSS A CAPACITOR TO INCREASE BY 63.2% OF THE DIFFERENCE BETWEEN ITS PRESENT AND FINAL VALUES.
What youÂ´ll learn in Module 4.3. 1  After studying this section, you should be able to describe: â¢ 2  The Time constant of a CR circuit. ... 3 and carry out calculations involving. â¢ 4 Time constants in a simple CR circuit.