Limits of expressions involving the trigonometric functions can be evaluated by direct substitution --- unless division by zero is encountered. When division by zero is encountered, simplifications such as the ones presented in the Conceptual Understanding of Limits lesson can be attempted.
A short circuit is an abnormal connection between two nodes of an electric circuit intended to be at different voltages. This results in an excessive electric current limited only by the Thevenin thÃ©venin equivalent resistance of the rest of the network and potentially causes circuit, damage, overheating fire or. explosion
Know History Endnotes The Nelson River Hydroelectric Project 92 143 Hydro electricity is typically sold as either firm power or surplus power. Firm power refers to the electricity that is dedicated to meet a known demand. Surplus power refers to the electricity that is generated over and above the known demand.