4. A 6 W night light is plugged into a 110 V circuit and operates continuously for 1 year. Find the following: (a) the current it draws, (b) the resistance of its filament, (c) the energy consumed in a year, and (d) the cost of its operation for a year at the rate of 14 cents/kWh
4. A 6 W night light is plugged into a 110 V circuit and operates continuously for 1 year. Find the following: (a) the current it draws, (b) the resistance of its filament, (c) the energy consumed in a year, and (d) the cost of its operation for a year at the rate of 14 cents/kWh
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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4. A 6 W night light is plugged into a 110 V circuit and operates continuously for 1 year. Find the following:
(a) the current it draws,
(b) the resistance of its filament,
(c) the energy consumed in a year, and
(d) the cost of its operation for a year at the rate of 14 cents/kWh.
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