Physics Module 6 Questions <Firefox>

A horizontal wire of length 0.3 m carries a current of 5.0 A. It is placed in a uniform magnetic field of 0.2 T directed at 30° to the wire. Calculate the magnitude of the magnetic force on the wire.

A step-up transformer has 200 turns on the primary and 800 turns on the secondary. If the primary voltage is 120 V AC, the secondary voltage is: A) 30 V B) 120 V C) 480 V D) 960 V physics module 6 questions

Explain how an eddy current brake works, referring to Lenz’s law and energy conservation. Include one practical application. A horizontal wire of length 0

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 A step-up transformer has 200 turns on the

50 minutes Total marks: 40