True, it’s limited to when they use estimations at most
Answer:
option (b)
Explanation:
B = 0.7 x 10^-4 T
v = 940 km/h = 940 x 5 / 18 = 261.11 m /s
l = 60 m
Th emotional emf is given by
e = B v l
e = 0.7 x 10^-4 x 261.11 x 60 = 1.096 V
e = 1.1 V
Question: An iron nail does not pick up paper clips as a magnet would. What can be concluded about the structure of the iron nail?
Answer: It has domains that are not aligned.
Explanation: because the magnet is not allined its not gonna pick up anything metal cause its not alligned
question answered by
(jacemorris04)