Induced Voltages and Inductance18120.10()cosBBAttθε∆∆Φ==∆∆()220.15 T0.12 m0 cos03.410V34 mV0.20 sπ−−°×=20.11The magnitude of the induced emf is ( )cosB∆∆ΦIf the normal to the plane of the loop is considered to point in the original direction of the magnetic field, then 0 and 180if=°=°. Thus, we find () ()220.20 T cos0.30 m9.410V94 mV−1800.30 T cos01.5 s°−°×=20.12( )cosBNBA∆∆Φ, so costBNA⋅∆=∆or ( )( )3520.166 V2.7710s5.2010T52.0 T5000.150 m4cos0cos90Bµ−−××°=20.13The required induced emf is ( )( )0.10 A8.0 0.80 VIR==Ω=. From cosBBNA∆Φ∆
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