6. A coil whose resistance is 100 ohm and inductance of L1 is connected in parallel with a series combination of inductance L2 and capacitance C. When w 1 x 105, the impedance of the whole combination is 300 ohms, purely resistive. When w = 2 x 105 no current flows towards the coil. Find the value of C. a. 38.23 nF b. 34.02 nF c. 35.36 nF d. 32.77 nF Task 3

Power System Analysis and Design (MindTap Course List)
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ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter2: Fundamentals
Section: Chapter Questions
Problem 2.18P: Let a series RLC network be connected to a source voltage V, drawing a current I. (a) In terms of...
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TASK 1
6. A coil whose resistance is 100 ohm and inductance of L1 is connected in parallel with a series
combination of inductance L2 and capacitance C. When w = 1 x 105, the impedance of the whole
combination is 300 ohms, purely resistive. When w = 2 x 105 no current flows towards the coil. Find
the value of C.
a. 38.23 nF
b. 34.02 nF
c. 35.36 nF
d. 32.77 nF
Task 3
4. A series circuit containing a 295 µF capacitor and a coil whose resistance and inductance are 3
ohms and 4.42 mH, respectively are supplied by the following series connected generators: 35 V at
60 Hz, 10 V at 180 Hz and 8 V at 240 Hz. Determine the power factor of the circuit.
a. 0.486
b. 0.418
c. 0.465
d. 0.437
Transcribed Image Text:TASK 1 6. A coil whose resistance is 100 ohm and inductance of L1 is connected in parallel with a series combination of inductance L2 and capacitance C. When w = 1 x 105, the impedance of the whole combination is 300 ohms, purely resistive. When w = 2 x 105 no current flows towards the coil. Find the value of C. a. 38.23 nF b. 34.02 nF c. 35.36 nF d. 32.77 nF Task 3 4. A series circuit containing a 295 µF capacitor and a coil whose resistance and inductance are 3 ohms and 4.42 mH, respectively are supplied by the following series connected generators: 35 V at 60 Hz, 10 V at 180 Hz and 8 V at 240 Hz. Determine the power factor of the circuit. a. 0.486 b. 0.418 c. 0.465 d. 0.437
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