1. Find the total impedance in polar form if there are three impedances connected in series which are 652- 32 ohms, 62 + j26 ohms and 43 - j34 ohms. 2. A series circuit consisting of a 13-ohm resistor, 0.5 H inductor and a 150- microfarad capacitor is connected across a 1100V. Determine the frequency of the supply if the current flowing is 5A. 3. A coil has a resistance of 32 ohms and reactance of 24 ohms when connected across a 440V, 60HZ supply. How much is the difference in current, if the supply voltage will be 440V, 50HZ source.

1. Find the total impedance in polar form if there are three impedances connected in series which are 652- 32 ohms, 62 + j26 ohms and 43 - j34 ohms. 2. A series circuit consisting of a 13-ohm resistor, 0.5 H inductor and a 150- microfarad capacitor is connected across a 1100V. Determine the frequency of the supply if the current flowing is 5A. 3. A coil has a resistance of 32 ohms and reactance of 24 ohms when connected across a 440V, 60HZ supply. How much is the difference in current, if the supply voltage will be 440V, 50HZ source.

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter6: Power Flows

Section: Chapter Questions

Problem 6.61P

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