What is the ripple factor of a DC signal having ripple voltage of 2 V and a DC voltage of 50 V? Answer in percentage % O 8% O 1.2% O 2.83% O 4.0%
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- For figure (1)draw and calculate the voltages waveform across each half of secondary winding and across load when 100sin2π60t applied across the primary, then find PIV.For the cycle circuit, when will the PIV appear when the input waveform will occur? Please choose one: a. B b. One c. C DA resistor R and a capacitor C are connected in series across a 400 V variable ac supply. When the frequency is 40 Hz, it draws 10 A current, and when the frequency is 50 Hz, it draws 15 A current. Find R and C.
- Discuss the difference between Alternating Current (AC) and Direct Current (DC)3-9 An rms ac voltmeter and a peak-to-peak-reading ac voltmeter are to be used to determine whether three ac signals are sinusoidal. Deter. mine whether the signals are sinusoidal if the following readings are obtained First signal Second signal Third signal peak-to-peak reading = 35.26 V rms reading. - 12.00 V peak-to-peak reading - 11.31 V rms reading = 4.00 V peak-to-peak reading = 25.00 V rms reading -8.83 Va. individal current b. voltage source
- It is the voltage supply that limits the AC voltage level. a. Square wave input b. Bias c. Output voltage d. Capacitor voltage4. A 60 Hz AC circuit has a voltage of 120 V and a current of 6 A (effective value). What are the peak and the peak-to-peak values of this voltage and current?Q18. An AC waveform is shown in figure B3. 4 10 20 30 40 50 70 100 Time (ms) 110 -2 -3 -4 -5 Figure B3 i) For the above waveform, determine a. Peak-to-peak voltage b. Time period c. Frequency ii) For the above waveform, determine a. Peak Factor b. Form Factor
- 8. Liquids with solid impurities a) Have higher dielectrie strength b) Of large size have higher dielectric strength c) Have lower dielectric strength as compared to pure liquids d) None of the above 9. Peak to peak ripple is defined as a) the difference between average de voltage and peak value b) the difference between maximum and minimum de voltage c) the difference between maximum ac and average dc voltages d) the difference between ac (rms) and average de voltages 10. In a Cockroft-Walton circuit, input voltage 100 kV load current 25 mA, supply frequency 100 Hz, each capacitor 10 nF. The optimum no. of stages for maximum output voltage is a) 1 b) 2 c) 10 d) 35a) What is the peak voltage across R2? b) What is the RMS value of I1?Create a waveform generator with the 8051. The waveform is sent to DAC via P1. There are SQUARE, TRIANGLE, SINE, and SAWTOOTH waveforms.