5555555555
10. A 47 Ω resistor is in series with an inductive reactance of 120 Ω across an ac source. The impedance, expressed in polar form, is ________.
(a) 47 ∠68.6° Ω
(b) 120 ∠68.6° Ω
(c) 129 ∠31.4° Ω
(d) 129 ∠68.6° Ω
| Subject Name : Electrical Engineering |
| Exam Name : IIT GATE, UPSC ESE, RRB, SSC, DMRC, NMRC, BSNL, DRDO, ISRO, BARC, NIELIT |
| Posts Name : Assistant Engineer, Management Trainee, Junior Engineer, Technical Assistant |
| Electrical Engineering Books |
| GATE 2023 Total Info | ENGG DIPLOMA | UGC NET Total Info |
| IES 2023 Total Info | PSUs 2022 Total Info | CSIR UGC NET Total Info |
| JAM 2023 Total Info | M TECH 2023 Total Info | RAILWAY 2022 Total Info |
Related Posts
5555555555 11. A capacitor with 150 Ω of capacitive reactance is across an ac source. The impedance, expressed in polar form, is ________. (a) Z = 150 (b) Z = 150 ∠90° Ω (c) Z = 150 ∠–90° Ω (d) Z = 150 ∠180° Ω- 5555555555 19. A 47 Ω resistor and a capacitor with a capacitive reactance of 120 Ω are in series across an ac source. What is the circuit impedance, Z? (a) 129 Ω (b) 12.9 Ω (c) 167 Ω (d) 73 Ω
- 5555555555 18. A 1.2 kΩ resistor is in series with a 15 mH coil across a 10 kHz ac source. The magnitude of the total impedance is ________. (a) 152.6 Ω (b) 1,526 Ω (c) 1,200 Ω (d) 942 Ω
- AC Circuits » Exercise - 18. A series AC circuit has a resistance of 12 Ω and reactance 5 Ω. The impedance of circuit is : (a) 5 Ω (b) 12 Ω (c) 13 Ω (d) 17 Ω
- 5555555555 14. A 140 Ω resistor is in parallel with an inductor having 60 Ω inductive reactance. Both components are across a 12 V ac source. The magnitude of the total impedance is ________. (a) 5.51 Ω (b) 55.15 Ω (c) 90 Ω (d) 200 Ω