A car generator turns at 390 rpm when the engine is idling. Its 296-turn, 5.04 cm by 7.99 cm rectangular coil rotates in an adjustable magnetic field so that it can produce sufficient voltage even at low rpms. What is the field strength needed to produce a 24.4 V peak emf?

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A car generator turns at 390 rpm when the
engine is idling. Its 296-turn, 5.04 cm by
7.99 cm rectangular coil rotates in an
adjustable magnetic field so that it can
produce sufficient voltage even at low
rpms. What is the field strength needed to
produce a 24.4 V peak emf?
T
Transcribed Image Text:A car generator turns at 390 rpm when the engine is idling. Its 296-turn, 5.04 cm by 7.99 cm rectangular coil rotates in an adjustable magnetic field so that it can produce sufficient voltage even at low rpms. What is the field strength needed to produce a 24.4 V peak emf? T
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