18. A flashlight has 4 – AA batteries. The combination has a capacity of 200 watt-sec. How long in mins will it take to discharge if the flashlight consumes 10 mA at 6 V? A. 55.6 min B. 65.6 min C. 45.6 min D. 75.6 min 19. Two equal resistors when connected in series across a supply draws a total power of 20 watts. What is the total power drawn when the two resistors are connected in parallel across the same supply? A. 20 W B. 40 W C. 60 W D. 80 W

EBK ELECTRICAL WIRING RESIDENTIAL
19th Edition
ISBN:9781337516549
Author:Simmons
Publisher:Simmons
Chapter27: Service-entrance Equipment
Section: Chapter Questions
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18. A flashlight has 4 – AA batteries. The combination has a capacity of 200 watt-sec. How long in
mins will it take to discharge if the flashlight consumes 10 mA at 6 V?
A. 55.6 min
B. 65.6 min
C. 45.6 min
D. 75.6 min
19. Two equal resistors when connected in series across a supply draws a total power of 20 watts.
What is the total power drawn when the two resistors are connected in parallel across the same
supply?
A. 20 W
B. 40 W
C. 60 W
D. 80 W
Transcribed Image Text:18. A flashlight has 4 – AA batteries. The combination has a capacity of 200 watt-sec. How long in mins will it take to discharge if the flashlight consumes 10 mA at 6 V? A. 55.6 min B. 65.6 min C. 45.6 min D. 75.6 min 19. Two equal resistors when connected in series across a supply draws a total power of 20 watts. What is the total power drawn when the two resistors are connected in parallel across the same supply? A. 20 W B. 40 W C. 60 W D. 80 W
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