For the magnetic field at some random angle to the plane of the small coil, draw a picture showing only the small coil, a vector giving the direction of the magnetic field, the area vector for the coil, and the angle between the magnetic field and the area vector. Write an equation for the magnetic flux through the small coil at an instant of time when the area vector is at some angle to the magnetic field. Write an expression that shows how the magnetic flux through the small coil changes as it turns with a constant angular speed.

A) An equation for the magnetic flux through the small coil at an instant of time when the area vector is at some angle to the magnetic field is;

Φ = BA cos θ

B) An expression that shows how the magnetic flux through the small coil changes as it turns with a constant angular speed is;

dΦ/dt = -BAω sinθ

I have attached an image showing a vector giving the direction of the magnetic field, the area vector and the angle between the magnetic field and the area vector.

A) The general formula for Magnetic flux is;

Φ = BA cos θ

Where;

B is magnetic field

A is area

θ is angle between magnetic field and the normal to the area

B) We are told that the magnetic flux changes as it turns with a constant angular speed.

Thus, we will differentiate both sides with respect to t.

dΦ/dt = -BA sinθ (dθ/dt)

Where (dθ/dt) is angular speed written as ω

Thus, we now have;

dΦ/dt = -BAω sinθ

Read more about magnetic flux at; link

Solution attached below

Explanation:

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relativism has been, in its various guises, both one of the most popular and most reviled philosophical doctrines of our time. defenders see it as a harbinger of tolerance and the only ethical and epistemic stance worthy of the open-minded and tolerant. detractors dismiss it for its alleged incoherence and uncritical intellectual permissiveness. debates about relativism permeate the whole spectrum of philosophical sub-disciplines. from ethics to epistemology, science to religion, political theory to ontology, theories of meaning and even logic, philosophy has felt the need to respond to this heady and seemingly subversive idea. discussions of relativism often also invoke considerations relevant to the very nature and methodology of philosophy and to the division between the so-called “analytic and continental” camps in philosophy. and yet, despite a long history of debate going back to plato and an increasingly large body of writing, it is still difficult to come to an agreed definition of what, at its core, relativism is, and what philosophical import it has. this entry attempts to provide a broad account of the many ways in which “relativism” has been defined, explained, defended and criticized.

explanation:

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