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(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.

(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.

Delmar's Standard Textbook Of Electricity
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter7: Parallel Circuits
Section: Chapter Questions
Problem 3PP: Using the rules for parallel circuits and Ohmslaw, solve for the missing values....
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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]
Transcribed Image Text:(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.
Transcribed Image Text:(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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