which of the following graphs correctly represents the current through the resis
ID: 1601750 • Letter: W
Question
which of the following graphs correctly represents the current through the resistor as the magnet passes through it? (Circle one) Take current nowing to the right to be positive. that the magnetic flux changes from 4.90 wb to 2.7o wb in a time of o.32 s. What is the energy dissipated through the resistor during this time (resistance- 0.4 20? AN V FIR. at 3. Suppose that the speed with which the magnet moves is constant and equal to 0.60 m/s. What is the force (assumed to be constant) that the magnet would feei ng the 0.32 s interval? t 32 S At 192 In a television set the power needed to operate the picture tube comes from the secondary coil of a transformer The primary coil of the transformer is connected to a 120-v receptacle on a wall. The picture tube of the television set uses 104 W and has a resistance of 18.9 Find the turns ratio NJNp of the transformer.Explanation / Answer
3)
v = 0.6 m/s
P = ((2.7 - 4.9)/0.32)^2/0.4 = 118.2 W
P = F*v
So, F = P/v = 118.2/0.6 = 197 N <-------answer
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