David Sang and Darrell Hamilton Solutions for Chapter: Electromagnetic Forces, Exercise 2: Exercise 20.2

Author:David Sang & Darrell Hamilton

David Sang Physics Solutions for Exercise - David Sang and Darrell Hamilton Solutions for Chapter: Electromagnetic Forces, Exercise 2: Exercise 20.2

Attempt the free practice questions on Chapter 20: Electromagnetic Forces, Exercise 2: Exercise 20.2 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: Electromagnetic Forces, Exercise 2: Exercise 20.2 with Hints & Solutions

MEDIUM
Upper Secondary-IGCSE
IMPORTANT
Physics for Cambridge IGCSE workbook>Chapter 20 - Electromagnetic Forces>Exercise 20.2>Q 2

Show how the turning effect of a d.c.motor can be increased.

MEDIUM
Upper Secondary-IGCSE
IMPORTANT
Physics for Cambridge IGCSE workbook>Chapter 20 - Electromagnetic Forces>Exercise 20.2>Q 3

Describe the effect on the motor when the direction of both the magnetic field and the current were reversed whilst simultaneously increasing the current.

EASY
Upper Secondary-IGCSE
IMPORTANT
Physics for Cambridge IGCSE workbook>Chapter 20 - Electromagnetic Forces>Exercise 20.2>Q 4

State what would be observed if the alternating current was passed through a coil of a d.c. motor.

HARD
Upper Secondary-IGCSE
IMPORTANT
Physics for Cambridge IGCSE workbook>Chapter 20 - Electromagnetic Forces>Exercise 20.2>Q 4

A learner built a motor to run on a d.c. supply. The learner forgot to include a commutator. State what would be observed when the motor is switched on.