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Examen

Electromagnetism and Electromagnetic Induction Grade - 11

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2024/2025 Escrito para el año académico
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Fifth Year / 11th Grade
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Science
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Are you preparing for your GCE Ordinary Level Physics exam and finding the topics of Electromagnetism and Electromagnetic Induction challenging? This comprehensive question tutorial is the perfect resource to help you master these fundamental concepts and ace your exams. This document is designed as a guided study tool, progressing from basic principles to complex applications. It's not just a list of questions; it includes clear explanations, diagrams, and structured exercises to build your understanding step-by-step. Perfect for both self-study and revision, this tutorial consolidates all the key points you need to know in one place. What's Inside: This tutorial covers the entire syllabus for GCE O/L Electromagnetism and Electromagnetic Induction through a series of targeted questions and activities. Key areas covered include: Basic Magnetism: Identify magnetic and non-magnetic materials and understand the properties of magnets. Magnetic Fields: Learn to draw and interpret magnetic field lines around permanent magnets and current-carrying conductors. Straight Conductor Magnetic Fields: Understand the relationship between current and the magnetic field it creates using the Right-Hand Grip Rule and Maxwell's Corkscrew Rule. Force on a Current-Carrying Conductor: Learn about the motor effect, the factors affecting the force's magnitude, and how to determine its direction using Fleming's Left-Hand Rule. DC Motors: Understand the working principle, operation, and circuit of a direct current motor, including how a couple causes continuous rotation. Loudspeakers: Identify the main parts and understand how they convert electrical signals into sound. Electromagnetic Induction: Define the principle, describe experiments to demonstrate it, and list the factors affecting the induced electromotive force (EMF). Fleming's Right-Hand Rule: Learn how to find the direction of induced current in a moving conductor. AC Generators/Dynamos: Name the parts, state the factors affecting the produced current, and understand the difference between alternating and direct current. Transformers: Explain the function, name the types, and solve calculations for voltage and current (assuming 100% efficiency). Practical Applications: Explore real-world applications like the bicycle dynamo, moving-coil microphone, and transformers. Why Choose This Tutorial? --Exam-Focused: The content is tailored specifically to the GCE O/L syllabus, helping you focus on what's important. --Active Learning: It's a tutorial designed to be worked through. By answering the questions and completing the activities, you actively reinforce your learning. --Clear Explanations: Complex concepts are broken down into simple, manageable steps with the help of diagrams and rules. --Complete Package: Includes both the foundational theory and the application-based questions you'll encounter in the exam. Who is this for? This document is ideal for GCE Ordinary Level students who want to: Build a strong foundation in electromagnetism and electromagnetic induction. --Test their understanding through structured questions. --Practice applying rules and principles. --Prepare effectively for their Physics examinations. Upload now and give your Physics revision the boost it needs!

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Electromagnetism and Electromagnetic Induction
Grade - 11
01. State 3 metals which attract towards a magnet.

i. ……………………… ii. ……………………… iii. ……………………

02. State 3 metals which do not attract towards magnets.


i. ……………………… ii. ……………………… iii. ……………………..

03. State 3 nonmetals which do not attract towards magnets.

i. ……………………… ii. ……………………… iii. ………………………

04. State the characteristic of magnets demonstrated in the experiment given below.




i. ……………………… ii. ……………………… iii. ………………………
Around any magnets there is a region within which the magnet has an influence.
This region is known as the magnetic field.

05. Draw the magnetic field of the permanent magnets and indicate the direction of the
magnetic field with an arrowhead.




When an electric current flows through an electric conductor a magnetic field is
created in the around of the conductor

, 06. To observe a magnetic field effect due to straight conductor carrying a current is
given below. In this setup observe the deflection of the compass in different
situations and state.
 Close the switch after placing the compass above the wire AB
…………………………………………………………………
Open the switch ……………………………………………….
…………………………………………………………………
 Close the switch after placing the compass below the wire AB.
…………………………………………………………………
Open the switch ……………………………………………..
…………………………………………………………………
 Change the direction of the current and close the switch after
placing the compass above the wire AB
…………………………………………………………………
Open the switch ……………………………………………..
…………………………………………………………………
 Change the direction of the current and close the switch after
placing the compass below the wire AB.
…………………………………………………………………
Open the switch ……………………………………………..
…………………………………………………………………


Direction of the magnetic field due to a current flowing through a straight
conductor
There are two rules that could be used to find the direction of the magnetic field
due to a current flowing through a straight conductor

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Subido en
15 de julio de 2026
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