magnetic field
... To transmit across large distances (i.e. cities…), want to minimize energy loss due to wire heating i.e. want low currents, so correspondingly high voltages i.e. step up for transmission ...
... To transmit across large distances (i.e. cities…), want to minimize energy loss due to wire heating i.e. want low currents, so correspondingly high voltages i.e. step up for transmission ...
Eddy currents
... semiconductors and, although important in the design of computer circuitry, are not significant ...
... semiconductors and, although important in the design of computer circuitry, are not significant ...
physics 172 wq 2010
... the area, the flux is simply the field times the area. dB dA e B 0.28T 3.50 102 m 2 s 9.8 mV dt dt Since the area changes at a constant rate, and the area has not shrunk to 0 at t = 2.00 s, the emf is the same for both times. ...
... the area, the flux is simply the field times the area. dB dA e B 0.28T 3.50 102 m 2 s 9.8 mV dt dt Since the area changes at a constant rate, and the area has not shrunk to 0 at t = 2.00 s, the emf is the same for both times. ...