What happens to the induced EMF when the area of a loop in a magnetic field is i
Practice Questions
Q1
What happens to the induced EMF when the area of a loop in a magnetic field is increased?
Increases
Decreases
Remains constant
Depends on the field strength
Questions & Step-by-Step Solutions
What happens to the induced EMF when the area of a loop in a magnetic field is increased?
Step 1: Understand what EMF is. EMF stands for electromotive force, which is the voltage generated by a changing magnetic field.
Step 2: Know about Faraday's law. Faraday's law states that the induced EMF in a loop is directly related to the rate of change of magnetic flux through that loop.
Step 3: Recognize what magnetic flux is. Magnetic flux is the product of the magnetic field strength and the area of the loop that the field passes through.
Step 4: Realize that increasing the area of the loop means more magnetic field lines can pass through it.
Step 5: Conclude that if the area of the loop increases, the magnetic flux increases, which leads to a greater induced EMF according to Faraday's law.
