2. Find the RMS value of the voltage waveform and the average power absorbed by the 9 ohms resistor if the voltage has the same waveform hand written plz 1 (s) v(1) (V) A на 6 I 0 2
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- For the waveform shown, determine: (a) Peak to Peak value (b) Peak value () RMS value (d) Frequency. If volts/div is 3V/div and Time/div is 25ms/div (No need to show the calculations)If the peak to peak voltage is equal to 20 . How much the RMS value of the voltage!?(b) An engineer is required to analyse a sinusoidal waveform for the voltage and current using oscilloscope. The voltage waveform produced Root Mean Square (RMS) value at 75 V with positive-going zero crossing at 30°. While the RMS value of current is 66.71 A with negative-going zero crossing at 0.349 rad. Assume the frequeney of both waveforms is 50 Hz. (i) Sketch the voltage and current waveform in the same axis by showing the important point. (ii) Determine instantaneous voltage when t = 8ms . (iii) Determine phase relationship between voltage and current waveform.
- a. A circuit with half-wave rectified signal has a dc voltage of 0.318Vm. The rms value of the ac component of the output signal is 0.385Vm. Calculate the percentage ripple of a half-wave rectified signal.A. The value of: A=5 ms C= 15 ms Peak to peak = 10 B D Figure 1 (a) From Figure 1 above, identify the frequency (f), value of time at A, B, C, D, period (T) and the RMS.RMS value.
- 3. A sinusoidal waveform is displayed on a c.r.o. screen. The peak-to-peak distance is 5 cm and the distance between cycles is 4 cm. The 'time'switch is on 100 µs/cm and the 'volts/cm' switch is on 10 V/cm. Determine (i) angular frequency (ii) peak (iii) rms value of voltages (iv)Time period and (v) form factor.3. A sinusoidal waveform is displayed on a c.r.o. screen. The peak-to-peak distance is 5 cm and the distance between cycles is 4 cm. The 'time ' switch is on 100 µs/cm and the 'volts/cm' switch is on 10 V/cm. Determine (i) angular frequency (ii) peak (iii) rms value of voltages (iv)Time period and (v) form factor.(a) What is the frequency in Hertz and rad/s of the voltage waveform shown on Figure Q1? (b) Calculate the average voltage and rms ac voltage of the waveform shown on Figure Q1. (c) Calculate the total rms voltage of the waveform shown on Figure Q1. (d) The voltage on Figure Q1 is connected across a 0.15 2 resistive load. Calculate the power dissipated in this resistor.
- (b) An engineer is required to analyse a sinusoidal waveform for the voltage and current using oscilloscope. The voltage waveform produced Root Mean Square (RMS) value at 75 V with positive-going zero crossing at 30°. While the RMS value of current is 66.71 A with negative-going zero crossing at 0.349 rad. Assume the frequency of both waveforms is 50 Hz. (i) Sketch the voltage and current waveform in the same axis by showing the important point. (ii) Determine instantaneous voltage when t = 8ms - (iii) Determine phase relationship between voltage and current waveform. (c) From the measurement process, the circuit generated two different outputs, V,(t) and V,(t) with the same peak voltage. The V,(t) lagging V,(t) by 100°. If V,(t) =150sin(1000t – 40°)V , determine the RMS value and phase angle of.For the CRO Sine waveform shown in figure, determine (a) Time period, (b) frequency, c) amplitude (d) peak-to-peak voltage and e) RMS voltage. Vertical (VOLT/DIV) 100V 50V 20V Horizon tal (TIME/DIV) 10s 50s 100s1) the RMS value of the current is? /2) the peak value of the voltage is?/3) the value of the reactive power is?