Three light bulbs L1 = 19 W, L 2= 7 W, L3= 24 W, are connected to a 14 V battery as shown in Figure below. The current flowing through L 3 bulb is L2 W V Li W L3 W O 2.21 A O 1.36 mA O 1.86 mA O 3.57 A

Three light bulbs L1 = 19 W, L 2= 7 W, L3= 24 W, are connected to a 14 V battery as shown in Figure below. The current flowing through L 3 bulb is L2 W V Li W L3 W O 2.21 A O 1.36 mA O 1.86 mA O 3.57 A

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter13: Heating Control Devices

Section: Chapter Questions

Problem 28RQ

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Concept explainers

Electrical Heating Unit

The conversion of electrical energy to heat energy is known as electric heating. The heating system that converts the electrical energy to heat energy for various application is called electrical heating unit. Electricity is employed as the firing mechanism in electric heating systems, which transforms electric current to heat. Electric heaters have heating elements in the form of electric resistors.

Question

Three light bulbs L1 = 19 W, L 2= 7 W, L3= 24 W, are connected to a 14 V battery as shown in Figure below.
The current flowing through L3 bulb is
L2 W
V
Li W
)L3 W
O 2.21 A
1.36 mA
1.86 mA
3.57 A

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