In this chapter on Electromagnetism, we will be learning about the magnetic effect of a current-carrying conductor. We will understand how a current-carrying conductor interacts with a magnetic field and how to determine the direction of force using the pattern of the magnetic field.
Next, we will explore electromagnetic induction in both straight wires and solenoids. We will learn about the factors that influence the magnitude of induced electromotive force (d.g.e. induction).
Lastly, we will study transformers. We will understand the working principle of a simple transformer and learn about the concept of a superior transformer.
By the end of this chapter, we will have a solid understanding of the magnetic effect of current, electromagnetic induction, and transformers.
• Describe the effect of a current-carrying conductor in a magnetic field
• Draw the pattern of the magnetic field (the field of catapult) to determine the direction of force of the current-carrying conductor in a magnetic field
• Describe the factors that influence the magnitude of the force acting on a current-carrying conductor in a magnetic field
• Describe the effect of the current carrier coil in the magnetic field
• Describe the principle of direct current motor
• Describe the factors that affect the rotational speed of an electric motor
• Describe electromagnetic induction in a: (i) straight wire (ii) solenoid
• Explain the factors that influence the magnitude of d.g.e. induction
• Determine the direction of induction flow in: (i) straight wire (ii) solenoid
• Designs a direct current generator and alternating current generator
• Describe the work principle of simple transformer
• Describe the meaning of a superior transformer
• Describes energy loss and ways to improve transformer efficiency
• Communicate about the use of transformers in daily life
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