4. A metal rod moves with constant velocity along two parallel metal rails connected with a strip of metal at one side as shown in Figure. A magnetic field B = 0.35 T points out of the page. If the rails are separated by distance L = 25 cm and the speed of the rod is v= 55 cm/s, find a) the induced emf and direction of induced current b) the amount of heat released in this system in 3 min if the rod has resistance of 18 92 and the rails have negligible resistance. O 0 0 0 O BO O O WA O 0 O O
4. A metal rod moves with constant velocity along two parallel metal rails connected with a strip of metal at one side as shown in Figure. A magnetic field B = 0.35 T points out of the page. If the rails are separated by distance L = 25 cm and the speed of the rod is v= 55 cm/s, find a) the induced emf and direction of induced current b) the amount of heat released in this system in 3 min if the rod has resistance of 18 92 and the rails have negligible resistance. O 0 0 0 O BO O O WA O 0 O O
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Transcribed Image Text:4. A metal rod moves with constant velocity along two parallel metal rails connected with
a strip of metal at one side as shown in Figure. A magnetic field B = 0.35 T points out
of the page. If the rails are separated by distance L = 25 cm and the speed of the rod is
v= 55 cm/s, find
a) the induced emf and direction of induced current
b) the amount of heat released in this system in 3 min if the rod has resistance of 18
and the rails have negligible resistance.
0
0
BO
O
O
O
W
O
0
O
LO
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