(b) Figure Q3(b) illustrates an AC bridge in a balanced condition. Calculate the inductance value of the coil, given that Z2 is an unknown pure coil linked between node a and d. Ζ, = 200 Ω | Z3= |130 | 12V a 60 Hz b Z4= |230 | Z2 Figure Q3(b) An AC bridge that is in balanced condition
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- Ministry of Manpower Directorate General of Technological Education Salalah College of Technology Zlectrical Inginearina Problem - 8 Refer to the circuit below and -25V C2 N. compute the following: i) Total capacitance ii) Voltage across C, iii)Charge across C, iv)Voltage across C5 5 uF C1 5 uF 5 uF C4 5 uF C6 5 uF -16-65V. C5 5 uF (Take V, as 25V) 8-35V VT 25VQ. 14. At high frequencies, the shunt resistors used for current measurement will have a higher reactance part due to: A) Stray capacitance C) High reactance occurs at low frequencies B) Stray inductance D) A & BA DC-DC Chopper Circuit with an RL Load has an output current waveform shown below with a duty cycle of 50% and 1ms period. If it has a resistance of 1ohm and an inductance of 10mH, find the source voltage. 5A 2A ton toff output _current
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- for the circuit shown below If v_in=5 sin2m10t then corner frequency will be ......Hz 1 UF 2 k Ohm 1 k Ohim 050 060 070 080 vinA circuit is designed with an AC source of max voltage 12 and frequency 60 Hz. The circuit has a resistance of 1050 Ohms, an inductance of 0.06 Henrys, and a capacitance of 0.009 coulombs per volt. - omega for source in rad/s? - omegaR for circuit? -XL? -XC? -phi in radians? -Z? -imax?A pure resistance of 50 ohms is in series with a pure capacitance of 100 microfarads. The series combination is connected across a 100 volt, 50 hz source. Find the a) impedance, b) phase angle, and c) equation of the current
- The single-phase dual converter below is operated with a 120-V 60HZ supply. The load resistance is 502. The circulating inductance is composed of two 30mH. The delay angles on the Thyristors a1= 45° and a4=135°. Determine the following L1 L2 30mH 30mH V: -- V(p-p): -- V(rms): -- V(dc): -- V(freq): -- D1 D3 D6 D5 V1 R1 120Vrms 60HZ PR1 502 0° D7 D8 D2 D4 a) Calculate the peak circulating current. b) Calculate the Peak current thru Converter 1(D1-D4) and Converter 2(D5-D8) Calculate the Rms voltage of the Output voltage. c)The picture shows three LC circuits, two of them with capacitors of capacitance C and the three with coils of inductance L, the three circuits are coupled by means of two capacitors Cc capacitors.L inductance coils, the three circuits are coupled by means of two capacitors of capacitance Cc. The currentscirculating through each mesh are those indicated in the figure: I1, I2 and I3. Using Kirchhoff's law for voltagesand taking into account the definition of current I = -dQ/dt, find the system of coupled equations for the systemand then find the angular normal frequencies of the system.An emergency power supply is required to provide a three-phase sinusoi- dal voltage source of 208 V (L-L) at a frequency of 400 Hz. The power is to be obtained from a battery consisting of cells in series, each cell hav- ing an internal voltage of 2.2 V and an internal resistance of 0.006 m. The load on the three-phase, 400-Hz system requires a fundamental fre- quency apparent power of 7.2 kVA at 0.9 power factor lagging. The in- ductance of the load is such that harmonic currents are negligible. How many cells should be connected in series to provide the required output? The switches may be regarded as ideal.