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  1. ... voltage or current is said to be induced means that it is created by... as, e = - dØ/dt where e is the induced voltage in volts, Ø is the magnetic...

  2. Be aware that although there is no induced current in the rectangular coil when it is..., determine the "direction" of induced emf at these two conductors. The...

  3. ...電荷)來產生電流。 當所有金屬cut到d magnetic field lines嘅時候,都會有 induced emf,因為會有magnetic force推動電子,但 induced current,則是可有可無...

  4. ... to an external circuit so that current could flow if there exist and induced emf. 1. This happens when the rod is moving at a constant...

  5. ...= ilB, and i in whole circuit can be cinsider as the circuit as below, thus, induced e.m.f E = i r ,and r is the equivalent resistance =R/2 + R...

  6. ... into the paper on the right hand side of the rod.To oppose the change, induced current is made to produce more magentic feild pointing into the...

  7. By flemming's right hand rule the induce current will move from Y to X so 1 is... to the same rules the force by induced current is still towards left by left hand rule thus...

  8. ...square-root[R^2-(L/2)^2]} By Faraday's Law, induced emf E = d(B.A)/dt i.e. E = A/(dB/dt...

  9. ...low? Otherwise, the ammeter would not deflect at all due to inertia. The induced emf in the second coil is proportional to the rate of change of magnetic flux...

  10. (a) Induced emf = 0.35 x 0.24 x 0.5 v = 0.042 v hence, induced current = 0.042/20...