The magnetic field in the figure is decreasing at the rate 0.5T/s . a) What is t
ID: 1376416 • Letter: T
Question
The magnetic field in the figure is decreasing at the rate 0.5T/s .
a) What is the magnitude of the acceleration of a proton at rest at point a?
|a|=__________
b) What is the magnitude of the acceleration of a proton at rest at point c?
|a|=__________
c) What is the magnitude of the acceleration of a proton at rest at point d?
|a|=____________
The magnetic field in the figure is decreasing at the rate 0.5T/s . a) What is the magnitude of the acceleration of a proton at rest at point a? |a|=__________ b) What is the magnitude of the acceleration of a proton at rest at point c? |a|=__________ c) What is the magnitude of the acceleration of a proton at rest at point d? |a|=____________Explanation / Answer
point a
L = 2 pi * 0.01
s = pi * 0.012
E = s / L * (dB / dt) = [pi * 0.012 / 2 pi * 0.01 ] * 0.5 = 2.5 * 10-3 N/m
charge/ mass = q / m = (1.6* 10-19) / (1.67 * 10-27) = 9.566 * 107 c/kg
accerlation = q E / m = 2.4 * 105 m/s2 [upwards]
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point b
E = 0
a = 0
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point c
E = 2.5 * 10-3 N/m
a = 2.4 * 105 m/s2 [downwards]
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point d
E = [pi * 0.022 / 2 pi * 0.02 ] * 0.5 = 5* 10-3 N/m
charge/ mass = 9.566 * 107 C/kg
accerlation = q E / m = 4.783* 105 m/s2 [dowmnward]
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