A lighting load operates from a 208V, 60Hz supply and is rated 1 kW @ p.f. .707 lagging. What size capacitor must be connected to raise the power factor to 0.91 lagging? Gien

Q: 2.2 Suppose a sinusoidal voltage of ±10 V with a frequency of 500 HZ is to be displayed on an…

A: The given problem is from measurements and instrumentation.  The detailed solution is given in the…

Q: Determine the RMS value of semi circular current wave which has a maximum value of "A". a. 0.816A c.…

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Q: Define the following: a. R.m.s value of a sinusoidal wave. b. Form factor , Peak factor. c. Power…

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Q: The voltage waveform during the first half cycle are from t = 0 to t = 0.01 increases linearly from…

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Q: 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…

A: An a.c circuit differs from a d.c circuit in many respects. First, in a d.c circuit we consider…

Q: A supply voltage has a mean value of 150V. Determine its maximum value and its rms value.

A: Given, Mean voltage of a supply, Vavg=150 V.

Q: 6. A coil draws 1875 watts when connected to a 150 V DC source. It consumes 3072 watts when used on…

A: Given data, Power consumed P = 3072 W. Supply voltage V = 150 V.

Q: What is RMS voltage in a factory from an outlet that has a nominal voltage of 230 VAC

A: Given: Nominal voltage from an outlet is 230 VAC.

Q: Mean value of an AC supply is 270 volts. The value of RMS voltage is:

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Q: 1. Differentiate an Elemental Semiconductor from a Compound Semiconductor. Explain one advantage of…

A: Semiconductor- semiconductor are the element whose conductivity lies between conductivity of…

Q: A 60 Hz sinusoidal voltage with an RMS value of 440 V is applied to a TRIAC voltage regulator. The…

A: it is asked to find the output DC voltage of given TRIAC voltage regulator

Q: FIND THAT A SINUSOIDAL ALTERNATIVE VOLTAGE WITH A-350 VOLT AVERAGE VALUE WILL Reach 250 VOLT INSTANT…

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Q: what will be the power factor, if the inductive reactance is equal to the capacitive reactance of 20…

A: Given: Inductive reactance is equal to capacitive reactance of 20 Ω XL=XC=20 Ω The resistance is 20…

Q: : For the current waveform that shown in Figure belo w Find:- 1). Average value 2). R.M.S value 3).…

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Q: What is the angle of IT when PF=0.68 lagging?

A: Power factor PF=0.68.

Q: Given: Vi = Vpeak Sin wt V Vpeak %3| = 5 V With the ideal foward voltage = 0.7V, draw the waveforms…

A: It is given that: V1=VPeak Sin ωtVPeak=5VRL=1KΩVD=0.7V

Q: Average value of a sinusoidal voltage over a complete full cycle is . a. 2n V m b. (Vm) / Tt C. Zero…

A: Average value of a sinusoidal voltage is 0 as positive half and negative half cancel out each other

Q: A synchronous generator generates 345 V at 50 Hz when the field current is 4.4A. The e.m.f generated…

A: Generator voltage E= 345 V at frequency 50Hz and field current 4.4A Find the voltage at frequency…

Q: An alternating current varying sinusoidally with a freq. of 50 c/s. has a r.m.s. value of 35 A.…

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Q: Q1/ A resistance of 2002, an inductance of 0.2 H and a capacitance of 100 μF are connected in series…

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Q: iii) A sine waveform with following specifications. RMS voltage 161.4V Time for ten cycles 0.02s…

A: Given values are =

Q: For the CRO Sine waveform shown in figure, determine (a) Time period, (b) frequency, c) amplitude…

A: As per our policy we can provide solution to first three questions only. As we have given : Time /…

Q: QUESTION 8 Ten volt (10V) magnitude sinusoidal voltage of frequency 1MHz is applied across a 100 Ohm…

A: In this question, we need to choose the correct option. What is voltage across the capacitor.

Q: Two ac generators supply the same voltage. However, the first generator has a frequency of 1.2 kHz,…

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Q: Please draw the voltage and current curves versus ωt for capacitor with sinusoidal AC power supply.…

A: Consider that V=IR follows for every circuit at every frequency. The ratio of the voltage and the…

Q: Problem No.3. Two resistors (1 Mega Ohms and 2 Ohms) are connected in parallel with an Ideal Diode.…

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Q: When a load is connected to a power line with a frequency of 230V (rms) 50 Hz, it draws 4250 W of…

A: Given Vs=230V f=50Hz PL=4250 watt power factor,cosφ=0.85  → φ=31.78° So reactive power of load,…

Q: 4

A: The spherical shell having radius R and thickness t is shown below. The potential is related to the…

Q: A triangular voltage source has a peak value of 10 V. What is the computed RMS value of this source?…

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Q: What is the peak current in a AC circuit with a 50 ohm resistor, 3.3 mH inductor, and a 480 nF…

A: This is the series RLC circuit and concept of resonance  Use fundamental formulas

Q: a) What is the frequency in Hertz and rad/s of the voltage waveform shown on Figure Q1? (b)…

A: Any time domain signal can be sinusoidal, DC signal or any curve signal. Sinusoidal signals are…

Q: Q1. A square waveform with following specifications RMS Voltage 163.21 Time for two cycle 35ms…

A: Given: A Square wave having, Vrms=163.21 VTime for two cycle=35 ms

Q: 3. Replace the DC source by an ac source with an rms value of 12 V. Connect it across the same bulb.…

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Q: QUESTION 2 The peak-to-peak voltage is 40V, its rms voltage is 14.1 V 11.4V 13.3V 12.3 V

A: The peak-to-peak voltage, VP-P=40 V

Q: Find the rms of the below voltage waveform 2.

A: RMS of AC is that value which when passes through a resistor of known value for a particular…

Q: A single phase ac voltage source has 200 V rms and a system connected consumes an active power of…

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