David Sang and Graham Jones Solutions for Chapter: Practical Circuits, Exercise 2: Questions

Author:David Sang & Graham Jones

David Sang Physics Solutions for Exercise - David Sang and Graham Jones Solutions for Chapter: Practical Circuits, Exercise 2: Questions

Attempt the practice questions on Chapter 11: Practical Circuits, Exercise 2: Questions with hints and solutions to strengthen your understanding. Physics for Cambridge International AS & A Level Coursebook 3rd Edition Digital Access solutions are prepared by Experienced Embibe Experts.

Questions from David Sang and Graham Jones Solutions for Chapter: Practical Circuits, Exercise 2: Questions with Hints & Solutions

HARD
AS and A Level
IMPORTANT
Physics for Cambridge International AS & A Level Coursebook 3rd Edition Digital Access>Chapter 11 - Practical Circuits>Questions>Q 4

When a high-resistance voltmeter is placed across an isolated battery, its reading is 3.0 V. When a 10Ω resistor is connected across the terminals of the battery, the voltmeter reading drops to 2.8 V. Use this information to determine the internal resistance of the battery.

HARD
AS and A Level
IMPORTANT
Physics for Cambridge International AS & A Level Coursebook 3rd Edition Digital Access>Chapter 11 - Practical Circuits>Questions>Q 5

The results of an experiment to determine the e.m.f. E and internal resistance r of a power supply are shown in Table. Plot a suitable graph and use it to find E and r.

V / V 1.43 1.33 1.18 1.10 0.98
I / A 0.10 0.30 0.60 0.75 1.00