RC Circuits – 11

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

Explanation
Explanation : No answer description available for this question. Let us discuss.
 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 Sale Objective Electrical Technology (6500+ Objective Questions... V.K Mehta (Author); English (Publication Language); 1089 Pages - 11/30/2004 (Publication Date) - S Chand (Publisher) ₹ 616 Sale An Integrated Course in Electrical Engineering J.B. Gupta (Author); English (Publication Language); 1100 Pages - 01/01/2013 (Publication Date) - S.K. Kataria & Sons (Publisher) ₹ 999 Basic Electrical Engg Binding: paperback; Language: english; This product will be an excellent pick for you; V.K Mehta (Author) ₹ 990 Sale BASIC ELECTRICAL ENGG - REVISED ED Product Condition: No Defects; Kulshreshtha D (Author); English (Publication Language); 880 Pages - 07/01/2017 (Publication Date) - McGraw Hill Education (Publisher) ₹ 475 Sale A Handbook for Electrical Engineering(Old Edition) ME Team (Author); English (Publication Language); 692 Pages - 01/01/2015 (Publication Date) - Made Easy Publications (Publisher) ₹ 210

Related Posts

• 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
Tags: ω, °, circuits, reactance, ac, source, impedance, expressed, polar, form
• 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
Tags: ω, rc, circuits, capacitor, capacitive, reactance, ac, source, impedance, basic
• 5555555555 5. A resistor of 3 kΩ, a 0.05 μF capacitor, and a 120 mH coil are in series across a 5 kHz, 20 V ac source. What is the impedance, expressed in polar form? (a) 636 Ω (b) 3,769 Ω (c) 433 Ω (d) 4,337 Ω
Tags: ω, ac, form, polar, expressed, impedance, source, circuits, capacitor, basic
• 555555555512. What is the angular difference between +j4 and –j4? (a) 30° (b) 90° (c) 180° (d) 270°
Tags: °, rc, circuits, basic, electrical, engineering
• 5555555555 7. A 120 Ω resistor is in parallel with a capacitor with a capacitive reactance of 40 Ω. Both components are across a 12 V ac source. What is the magnitude of the total impedance? (a) 37.9 Ω (b) 3.7 Ω (c) 14,400 Ω (d) 4,800 Ω
Tags: ω, rc, circuits, capacitor, capacitive, reactance, ac, source, impedance, basic