The circuit shown is in a uniform magnetic ?eld that is into the page. The current in the circuit is 0.20 A. At what rate is the magnitude of the magnetic ?eld changing? Is it increasing or decreasing?:

A. zero

B. 140 T/s, decreasing

C. 140 T/s, increasing

D. 420 T/s, decreasing

E. 420 T/s, increasing

Transcribed Image Text:

12 cm 12 cm 10Ω 4V 12 cm 12 cm 10Ω 4V

Answer rating: 100% (QA)

induced emf rate of change of flux ddt ddtBA where BA B m... View the full answer