The ratio of rated primary current to the actual secondary current is called Actual Ratio Select one: True False

You find that a 25-F capacitor connected to 480 VAC is defective. The storeroom has no capacitors with a 480-VAC rating. However, you find two capacitors rated at 50 F and 370 VAC. Can these two capacitors be connected in such a manner that they can replace the defective capacitor? If yes, explain how they are connected and why the capacitors will not be damaged by the lower voltage rating. If no, explain why they cannot be used without damaging the capacitor.

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C'uk Converter Design A C'uk converter has an input of 12 V and is to have an output of - 24 V supplying a 60 W load. Select the duty ratio, the switching frequency, the inductor sizes such that the change in inductor currents is no more than 12 percent of the average inductor current, the output ripple voltage is no more than 1.5 percent, and the ripple voltage across C1 is no more than 3 percent.

For the following circuit if the secondary voltage of the transformer is 20V rms, the output voltage and the PIV of the diodes are V. 2 Vm C3 D, D2 D3 A D4 C2 C4 + 2Vm 2Vm O 130.1 V, 55 V O 113.1 V, 56.56 V 123.2, 61.61 V 55.5 V, 33 V

A three phase full wave rectifier is shown below. The input phase voltage peak is Vm=311.128 V. The load is purely resistive of value 52. The DC and RMS output voltages are respectively equal to: Secondary 太D太D,太D, 太D。太De太D, b. Select one: O a. 180V, 240.2V O b. 514.6V, 515.04V O c. 180V, 197.2V O d. 220V, 249.2V

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With V1, voltage peak to peak is 10 volts, R1=200 Ohm, R2=1000 Ohm and C1= 300 nF. Find Vx, voltage across the the capacitor, C1 and R2 when the frequency is 1000 Hz and 10000 Hz

If the charging resistor was twice as large as the discharging resistor in Figure 4, theamplitudes of the charging and discharging waveforms would be ________.a. The sameb. Different

In a given circuit below is connected to an AC signal with 240V peak in a 4:1 transformer. Sketch the voltagewave form at VA and Vo as practical diode. (Show Complete Solution)