Voltage is commonly reported as an rms, or "root mean square," value and not the "peak" value. The rms voltage is the "effective" value of the varying AC voltage. The peak voltage is the measure of the voltage range as the current alternates from negative to positive values. The rms ...
where V is the RMS voltage and A the RMS amperage. But here is the difference. In AC, the volts and amps are not always in phase (meaning that the peak of the voltage curve is does not happen at the peak of the current curve). Think of pushing a swing. The greatest force is app...
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As shown in the figure, a square wave and sine wave may have identical peak voltage levels but the RMS value or the root mean square value may not be identical. This aspect is what that makes a square wave particularly different from a sine wave even though the peak value may be the ...
which are used to step up or step down the voltage levels. 230V AC is converted into 12V AC using a step-down transformer. 12V output of stepdown transformer is an RMS value and its peak value is given by the product of square root of two with RMS value, which is approximately 17V...
A capacitor is connected across an AC generator whose frequency is 47 Hz and has a peak voltage 148 V. The rms current in the circuit is 50 A. a) What is the capacitance of the capacitor? b) What is the magnitude of the maximum charge on one plate of the Calculate the emf from ...
The peak value of an AC passing through a 15.0 W device is 3.9 A. What is the rms voltage across it? Which of the following is not an advantage of using AC? A) lower power loss than DC B) easy to convert to any voltage C) tastes great and is less filling A transformer is used...
Peak Current Calculations Input Capacitor (CIN) CalculationN× D = 0.235, and for N × D < 1 Where IIN(RMS) is the RMS ripple current through the input capacitor. Output Ripple Voltage (VRIPPLE) CalculationsAssume:ESR = (2.5/6) × 10-3 (ESR of output capacitor)ESL = (1/6) × ...
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