Answered: (c) A third identical lamp is placed in…

(c) A third identical lamp is placed in parallel with the battery in the circuit of Fig. 6.1. Describe and explain the effect on the terminal p.d. of the battery.

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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Question

What does terminal potential difference mean in question c? And how do I know whether it changes through calculation? I would like to have a brief step by step answer.

(iii) Calculate the current in the battery.
current =
.A [2]
(iv) Calculate the power dissipated in one lamp.
power
W [2]
(c) A third identical lamp is placed in parallel with the battery in the circuit of Fig. 6.1. Describe
and explain the effect on the terminal p.d. of the battery.
[2]

(b) A battery of e.m.f. 12V and internal resistance 0.50 2 is connected to two identical lamps, as
shown in Fig. 6.1.
12V
0.502
Fig. 6.1
Each lamp has constant resistance. The power rating of each lamp is 48W when connected
across a p.d. of 12V.
(i) Explain why the power dissipated in each lamp is not 48W when connected as shown in
Fig. 6.1.
[1]
(ii) Calculate the resistance of one lamp.

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