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Magnetic Induction Report

# Magnetic Induction Report - N and its uncertainty(c...

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Physics 211L/Phys205L Measurement of Magnetic Induction Fields Names:________________________________&________________________________ Part A: Solenoid (a) Measurement of B as a function of position (I= 5A): Length of solenoid = ____________cm Outer diameter of solenoid = ____ ± ______cm Outer diameter of spool = 4.5 ± 0.1 cm Average diameter of solenoid = _____________cm. D (cm) * B (mT) D (cm) * B (mT) -4 11 -3 12 -2 13 -1 14 0 15 1 16 2 17 3 18 4 19 5 20 6 21 7 22 8 23 9 24 10 * D represents the pointer reading in cm Plot B versus D and determine the position of the center of the solenoid. Comment. 1

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(b) Measurements of B at the center of the solenoid: I (A) B meas (mT) 1 2 3 4 5 6 7 1. Write down the equation relating B and I. Choose your variables so that you obtain a linear relationship between them. Using linear regression find the slope along with its error. 2
2. From the slope, determine the number of turns in the solenoid

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Unformatted text preview: N and its uncertainty. (c) Measurement of B outside the solenoid: Value of B outside the solenoid = ___________. How does this value compare to those measured inside the solenoid. 3 Part B: Coil Number of turns = 500 Average diameter = 13.0 ± 0.3 cm I =______________ mA D, Distance of probe-head to Coil plane (cm) B (mT) D, Distance of probe-head to Coil plane (cm) B (mT)- 10 2- 8 4- 6 6- 4 8- 2 10 XXXXXXXXXX XXXXXXXXX Plot B versus D . Compare the value of the field at the center of the coil to the theoretical one that can be calculated from Equation 1. Comment. Part C: Bar Magnet Describe and explain the effect you observe when you place the bar magnet with one end against the probe tip and then the other end. 4 5...
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