Complete the following table by identifying the component described in the first column : Description Component Gives out Heat and Light Resistance changes as the temperature changes Provides the push to make a current flow Blows when the current is too high Makes and breaks the circuit Has less resistance on a sunny day Adjusted to change the resistance in a circuit

The table can be completed as shown below : Description Component Gives out Heat and Light Lamp Resistance changes as the temperature changes Thermistor Provides the push to make a current flow Cell Blows when the current is too high Fuse Makes and breaks the circuit Switch Has less resistance on a sunny day LDR Adjusted to change the resistance in a circuit Variable resistor

E M B I B E

Physics for Cambridge IGCSE workbook>Chapter 19 - Electrical Circuits>Exercise 19.1

David Sang and Darrell Hamilton Solutions for Chapter: Electrical Circuits, Exercise 1: Exercise 19.1

Author:David Sang & Darrell Hamilton

David Sang Physics Solutions for Exercise - David Sang and Darrell Hamilton Solutions for Chapter: Electrical Circuits, Exercise 1: Exercise 19.1

Attempt the free practice questions on Chapter 19: Electrical Circuits, Exercise 1: Exercise 19.1 with hints and solutions to strengthen your understanding. Physics for Cambridge IGCSE workbook solutions are prepared by Experienced Embibe Experts.

Questions from David Sang and Darrell Hamilton Solutions for Chapter: Electrical Circuits, Exercise 1: Exercise 19.1 with Hints & Solutions

EASY

Upper Secondary-IGCSE

IMPORTANT

Physics for Cambridge IGCSE workbook>Chapter 19 - Electrical Circuits>Exercise 19.1>Q 1

Complete the following table by drawing symbols for each component.

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EASY

Upper Secondary-IGCSE

IMPORTANT

Physics for Cambridge IGCSE workbook>Chapter 19 - Electrical Circuits>Exercise 19.1>Q 2

Complete the following table by identifying the component described in the first column :

Description	Component
Gives out Heat and Light
Resistance changes as the temperature changes
Provides the push to make a current flow
Blows when the current is too high
Makes and breaks the circuit
Has less resistance on a sunny day
Adjusted to change the resistance in a circuit

EASY

Upper Secondary-IGCSE

IMPORTANT

Physics for Cambridge IGCSE workbook>Chapter 19 - Electrical Circuits>Exercise 19.1>Q 3

Using the symbols of basic electronic circuits, for a variable potential divider.Draw a circuit that allows the potential difference across a lamp to be varied from $0 V t o 12 V .$

EASY

Upper Secondary-IGCSE

IMPORTANT

Physics for Cambridge IGCSE workbook>Chapter 19 - Electrical Circuits>Exercise 19.1>Q 4

The figure shown below is a potential divider. The potential difference across $R_{1}$ is $8 V$ Calculate the ratio of $R_{1} : R_{2}$ .

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