The voltage between the terminals fluctuates as shown, with the AC voltage given by V=V0sin2πft, where V is the voltage at time t, V0, V0 is the pea...The voltage between the terminals fluctuates as shown, with the AC voltage given by \boldsymbol{V = V_{0} sin 2 \pi ft, \label{20.6.1}} where V is the voltage at time t, V0, V0 is the peak voltage, and f is the frequency in hertz. This would result in a power loss in the lines of 16.0 MW, or 16.0% rather than 0.250%. The lower the voltage, the more current is needed, and the greater the power loss in the fixed-resistance transmission lines.
Direct current (DC) is the flow of electric charge in only one direction. It is the steady state of a constant-voltage circuit. Most well-known applications, however, use a time-varying voltage source...Direct current (DC) is the flow of electric charge in only one direction. It is the steady state of a constant-voltage circuit. Most well-known applications, however, use a time-varying voltage source. Alternating current (AC) is the flow of electric charge that periodically reverses direction. If the source varies periodically, particularly sinusoidally, the circuit is known as an alternating current circuit.
