What is magnetic flux and how is it measured? It quantifies total magnetic field lines through a surface, measured in webers. It is the force between two magnetic poles, measured in teslas. It is the energy stored in a magnetic field, measured in joules. It is the resistance to magnetic fields, measured in ohms.

It quantifies total magnetic field lines through a surface, measured in webers.

According to Faraday's Law, what does the induced EMF in a circuit depend on? The rate of change of magnetic flux through the circuit. The strength of the magnetic field itself. The resistance of the circuit. The temperature of the environment.

The rate of change of magnetic flux through the circuit.

What principle does Lenz's Law describe? Induced current opposes the change in magnetic flux that produced it. Current flows in the direction of increasing magnetic flux. The induced EMF is independent of magnetic flux changes. Magnetic flux remains constant in a closed loop.

Induced current opposes the change in magnetic flux that produced it.

What does the Transformer Equation Vp/Vs = Np/Ns represent? The ratio of voltages and turns in primary and secondary coils. The power and efficiency of a transformer. The resistance and capacitance in a transformer. The speed of current between two coils.

The ratio of voltages and turns in primary and secondary coils.

What is electromotive force (EMF) in the context of Faraday's Law? The voltage generated by changing magnetic fields. The force exerted by one charged object on another. The current flowing through a conductor. The capacity of a battery to store charge.

The voltage generated by changing magnetic fields.

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