Practice Factors Affecting Motor Strength (5.5.4) - Electricity and Magnetism
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Factors Affecting Motor Strength

Practice - Factors Affecting Motor Strength

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does increasing the current in a motor do?

💡 Hint: Think about the relationship between current and magnetic fields.

Question 2 Easy

Name one factor that affects motor strength.

💡 Hint: Recall the acronym CMTAS.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What effect does increasing the current in a motor have?

Weakens the magnetic field
Strengthens the magnetic field
Has no effect

💡 Hint: Think about how electricity interacts with magnetism.

Question 2

True or False? A larger coil area can help increase a motor's effectiveness.

True
False

💡 Hint: Consider how force distribution works.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Calculate the increase in motor torque if the current is doubled in a motor whose original torque is 10 Nm. Assume linearity in torque to current relation.

💡 Hint: Think about the relationship between current and torque.

Challenge 2 Hard

Explain how adding more turns in the coil impacts the overall efficiency of an electric motor used in a crane lifting capacity.

💡 Hint: Connection between coil structure and performance.

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Reference links

Supplementary resources to enhance your learning experience.