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2- A heater takes a current of 8 A from a 230 V source for 12 h. Calculate the energy consumed in kilowatt hours. (A) 220 kw.h (B) 2.2 kw.h (C) 22 kw.h (D) 2 kw.h

2- A heater takes a current of 8 A from a 230 V source for 12 h. Calculate the energy consumed in kilowatt hours. (A) 220 kw.h (B) 2.2 kw.h (C) 22 kw.h (D) 2 kw.h

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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Fig.1 2- A heater takes a current of 8 A from a 230 V source for 12 h. Calculate the energy consumed in kilowatt hours. (A) 220 kw.h (B) 2.2 kw.h (C) 22 kw.h (D) 2 kw.h
Transcribed Image Text:Fig.1 2- A heater takes a current of 8 A from a 230 V source for 12 h. Calculate the energy consumed in kilowatt hours. (A) 220 kw.h (B) 2.2 kw.h (C) 22 kw.h (D) 2 kw.h
5- For the air-core coil in Fig. 3: Find the inductance. I=25.4mm Air core (4) (A)15.68µH (B) 20 µH (C) 10 µH (D) 1.5 µH d=6.35mm Fig.3 100 turns
Transcribed Image Text:5- For the air-core coil in Fig. 3: Find the inductance. I=25.4mm Air core (4) (A)15.68µH (B) 20 µH (C) 10 µH (D) 1.5 µH d=6.35mm Fig.3 100 turns
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