Physics Module 6 Questions Instant

The magnetic flux through a coil of area 0.5 m² in a uniform 0.2 T field perpendicular to the coil is: A) 0.1 Wb B) 0.4 Wb C) 0.5 Wb D) 1.0 Wb

A proton enters a uniform magnetic field directed into the page. If the proton moves upward, the initial magnetic force direction is: A) Up B) Down C) Left D) Right

Practice Examination Paper

Lenz’s law is a consequence of which conservation principle? A) Conservation of charge B) Conservation of energy C) Conservation of momentum D) Conservation of mass

Explain why a transformer only works with AC voltage, not DC. physics module 6 questions

Faraday’s law of electromagnetic induction states that the induced EMF is proportional to: A) The magnetic field strength B) The rate of change of magnetic flux C) The current in the coil D) The resistance of the circuit

An AC generator produces a sinusoidal voltage. Doubling the rotation speed will: A) Double frequency, double peak voltage B) Double frequency only C) Halve frequency, double voltage D) No change The magnetic flux through a coil of area 0

Describe the energy conversion in: a) A DC motor b) An AC generator