Here are the essential concepts you must grasp in order to answer the question correctly.
Magnetic Flux
Magnetic flux is a measure of the quantity of magnetism, taking into account the strength and extent of a magnetic field. It is defined as the product of the magnetic field (B) and the area (A) through which the field lines pass, adjusted for the angle (θ) between the field lines and the normal to the surface. The formula for magnetic flux (Φ) is Φ = B * A * cos(θ), where θ is the angle between the magnetic field and the perpendicular to the surface.
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Area of a Circular Loop
The area of a circular loop is calculated using the formula A = πr², where r is the radius of the loop. In this case, with a diameter of 16 cm, the radius is 8 cm (0.08 m). The area is crucial for calculating the magnetic flux, as it determines how much of the magnetic field interacts with the loop.
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Torque on a Loop at an Angle
Angle in Magnetic Flux Calculation
The angle θ in the magnetic flux calculation represents the orientation of the loop relative to the magnetic field lines. When the loop is perpendicular to the field lines, θ is 0°, resulting in maximum flux. As the loop is rotated, the angle increases, affecting the cosine factor in the flux equation, which ultimately influences the amount of magnetic flux through the loop.
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