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Q. 19. The lightning stroke that hits a transmission line may be thought to be a current source with a source impedance Zo. What of the following is true? A. Very large and can be neglected. C. Very large and cannot be neglected. B. Very small and can be neglected. D. Very small and cannot be neglected. Q. 20. Switching overvoltage of short duration (1 to 10 ms) include: A. Resistance switching used in circuit breakers. B. Switching lines terminated by transformers. C. Series capacitor compensated lines. D. Energization of long lines.

Q. 19. The lightning stroke that hits a transmission line may be thought to be a current source with a source impedance Zo. What of the following is true? A. Very large and can be neglected. C. Very large and cannot be neglected. B. Very small and can be neglected. D. Very small and cannot be neglected. Q. 20. Switching overvoltage of short duration (1 to 10 ms) include: A. Resistance switching used in circuit breakers. B. Switching lines terminated by transformers. C. Series capacitor compensated lines. D. Energization of long lines.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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please sir solve these 2 questions, thanks alot 

Q. 19. The lightning stroke that hits a transmission line may be thought to be a current source with a source impedance Zo. What of the following is true? A. Very large and can be neglected. C. Very large and cannot be neglected. B. Very small and can be neglected. D. Very small and cannot be neglected. Q. 20. Switching overvoltage of short duration (1 to 10 ms) include: A. Resistance switching used in circuit breakers. B. Switching lines terminated by transformers. C. Series capacitor compensated lines. D. Energization of long lines.
Transcribed Image Text:Q. 19. The lightning stroke that hits a transmission line may be thought to be a current source with a source impedance Zo. What of the following is true? A. Very large and can be neglected. C. Very large and cannot be neglected. B. Very small and can be neglected. D. Very small and cannot be neglected. Q. 20. Switching overvoltage of short duration (1 to 10 ms) include: A. Resistance switching used in circuit breakers. B. Switching lines terminated by transformers. C. Series capacitor compensated lines. D. Energization of long lines.
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