Recent content by mike1234

does no one know the answer to this question

well I know according to Lenz's Law an induced current always flows in a direction that opposes the change that caused it. but with answer C it just decreasing but not heading in the opposite direction so I was not sure

Homework Statement The drawing shows a wire loop near a current -carrying wire. Under what conditions would current flow through resistor R from Right to left? Homework Equations Lenz's law The Attempt at a Solution 4 answers a) when the current I is increasing b)when the...

The answer is 4.4 and the key is to set the d1=vt and d2=vt to each other so v1t1=v2d2 start there and see if you get that answer

Homework Statement A car with a vertical radio antenna 85cm long drives due east 25 m/s. The Earth's magnetic field at this location has a magnitude of 5.9 * 10-5 T and points northward, 72 degrees below the horizontal. a) Is the top or the bottom of the antenna at the higher potential? b)...