2. Using the same L and r measurements as before, she balances m = 50 mg of mass with a current of 7.6 A. a) Calculate Ho (based on her L, I, r and m values). b) Calculate the percent error between her result and the theoretical value of po.
2. Using the same L and r measurements as before, she balances m = 50 mg of mass with a current of 7.6 A. a) Calculate Ho (based on her L, I, r and m values). b) Calculate the percent error between her result and the theoretical value of po.
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7:29
r = 4.3309 × 10
F= 4.54 x 10-4 N
Step3
c)
Now We know that if the force is opposed by the
weight the balancing condition we get as
F= mg
-4
mg = 4.54 x 10-
m =
m =
4.54x10 4
g
4.04 X IU
4.54x10-4
9.8
Step4
d)
m=4.629 × 10-5 kg≈ 4.63 × 10-5
m=4.63 x 10-5 kg
The required mass required to balance this force is
4.63 x 10-5 kg.
a) The magnetic field from one rod at the location
of the other is 3.55 × 10-4 T.
b) The magnitude of the magnetic force between
the rods is 4.54 x 10-4 N.
c) The required mass required to balance this force
is 4.63 × 10-5 kg.
√x
Do
8
Transcribed Image Text:2. Using the same L and r measurements as before, she balances m = 50 mg of mass with a
current of 7.6 A
a) Calculate Ho (based on her L, I, r and m values).
b) Calculate the percent error between her result and the theoretical value of po.
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