Questions 1. Is the magnet field B-axial positive or negative? Why? If it is negative, how...
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Questions 1. Is the magnet field B-axial positive or negative? Why? If it is negative, how to make it positive? Experiment 6.2 Magnetic Field of a Solenoid Purpose Measure the magnetic field inside a solenoid. Equipment A solenoid (2920 turns, 9.8 cm long, 3 cm in diameter), 2-axis magnetic field sensor (PS-2162) with a home-made guide tube and a home-made base, optical bench 60 cm, PASCO 850 interface, computer. Theory The magnetic field inside a very long solenoid is given by: B-H,nl, (1) where H=4x107 Tm/ A=4xx10 Gauss m/ A, 1 is the current (A) through the solenoid, n is the number of turns of wire per unit length (#/m) of the solenoid. Apparatus setup Caution: Turn off the power of PASCO 850 interface before you make connections. Don't let the two output terminals from the output ports on 850 interface touch each other anytime. 1. 2-axis magnetic field sensor (PS-2162) (Fig. 1). The sensor measures the magnetic field strength in the Axial and Perpendicular (radial) directions simultaneously. Two white dots on the probe mark the positions of the sensing elements. 2. Insert the probe of the magnetic field sensor into the solenoid (Fig. 2) with a home-made guide tube and a home-made base. Position the sensing elements (marked by white dots) at the center of the solenoid and orient the sensor with the field lines. 4. 3. Plug the cable of the Magnetic field sensor into PASPORT inputs on 850 Interface (Fig. 2). Use one red and one black banana leads to connect the solenoid and the Output Ports (banana jacks) on PASCO 850 Interface which provides DC power for the solenoid. (Fig. 2). 5. A built-in current sensor of the 850 Interface is used to measure the current flowing through the solenoid. Probe Figure 1 2-axis magnetic field sensor Figure 2 Apparatus setup Questions 1. Is the magnet field B-axial positive or negative? Why? If it is negative, how to make it positive? Experiment 6.2 Magnetic Field of a Solenoid Purpose Measure the magnetic field inside a solenoid. Equipment A solenoid (2920 turns, 9.8 cm long, 3 cm in diameter), 2-axis magnetic field sensor (PS-2162) with a home-made guide tube and a home-made base, optical bench 60 cm, PASCO 850 interface, computer. Theory The magnetic field inside a very long solenoid is given by: B-H,nl, (1) where H=4x107 Tm/ A=4xx10 Gauss m/ A, 1 is the current (A) through the solenoid, n is the number of turns of wire per unit length (#/m) of the solenoid. Apparatus setup Caution: Turn off the power of PASCO 850 interface before you make connections. Don't let the two output terminals from the output ports on 850 interface touch each other anytime. 1. 2-axis magnetic field sensor (PS-2162) (Fig. 1). The sensor measures the magnetic field strength in the Axial and Perpendicular (radial) directions simultaneously. Two white dots on the probe mark the positions of the sensing elements. 2. Insert the probe of the magnetic field sensor into the solenoid (Fig. 2) with a home-made guide tube and a home-made base. Position the sensing elements (marked by white dots) at the center of the solenoid and orient the sensor with the field lines. 4. 3. Plug the cable of the Magnetic field sensor into PASPORT inputs on 850 Interface (Fig. 2). Use one red and one black banana leads to connect the solenoid and the Output Ports (banana jacks) on PASCO 850 Interface which provides DC power for the solenoid. (Fig. 2). 5. A built-in current sensor of the 850 Interface is used to measure the current flowing through the solenoid. Probe Figure 1 2-axis magnetic field sensor Figure 2 Apparatus setup
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Related Book For
College Physics
ISBN: 978-0495113690
7th Edition
Authors: Raymond A. Serway, Jerry S. Faughn, Chris Vuille, Charles A. Bennett
Posted Date:
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