The topic is about Equipotential and Electric FieldsMinimum of 5 sentences answer Experiment No. 1Equipotential and Electric Fields3. Using the second probe point as a new negative probe point,arrangement on the paper, and label the poles N and S. Using arepeat the procedure to determine another point of maximum metersmall compass, trace out (marking on the paper) the magnetic fieldreading, and record. Continue this procedure until the positivelines as smooth curves. Draw enough field lines so that the patternof the magnetic field can be clearly seen. Do not forget to indicatethe field direction on the lines.I.OBJECTIVESelectrode is approached. Draw a smooth curve through thesepoints on the graph-paper map.Describe clearly the concept of a force field.Explain lines of force and the associated physical interpretations.Then, starting again at a new position near the negativeDistinguish between lines of force and equipotential, and describeelectrode, repeat these procedures for another field line. Trace4. Draw dashed-line curves perpendicular to the field lines.their relationships to work.out four to six field lines in this manner. Do not forget toindicate the field direction on the lines.II.THEORYIII.EQUIPMENT4. Place the negative probe near the center of the field region,and rotate the positive contact until a position is found thatField mapping board and probesConducting sheets with gridsConducting paintgives a zero-meter reading. Record several of these points on• Connecting wiresthe graph paper with a symbol different from that used for theDC power supply (10V)field lines.Check thezeroon the voltmeter frequently,Voltmeterparticularly when changing scales.Use the second point as a new pivot point, as before, anddetermine a series of null (zero) points. Draw a dashed-linecurve through these equipotential points. Determine threefive equipotential lines in this manner.IV.PROCEDUREElectric Field1. Draw the electric dipole configuration on a sheet of graph paperto the same scale and coordinates as those of the painted dipoleon the imprinted grid on the conducting sheet. Then place the5. Repeat this procedure for the parallel linear (plate) electrodedipole conducting sheet on the board, andset the contactconfiguration. Be sure to investigate the regions around theterminals firmly on the painted electrode connections.ends of the plate electrodes.2. For the voltmeter, the field probe should haveMagnetic Field1. Covering the magnets with sheets of paper or transparency material,sprinkle iron filings to obtain an iron filing pattern for each ofmounted about 2 cm apart. Connect the voltage source (10-V dc)to the board terminals.the arrangements shown in Figure00002832W699ic)For the bar magnet arrangements, the magnets should be separatedby several centimeters, depending on the pole strengths of themagnets. Experiment with this distance so that there is enoughPosition the negative (-) contact of the field probe nearthe negative electrode. Using the negative probe point as aspace between the ends of the magnets to get a good pattern.pivot, rotate the positive (+) contact around the fixed negativecontact until the position with the maximum meter reading is2. Sketch the observed magnetic field patterns on Figure. After thefound.patterns have been sketched, collect the iron filings on a pieceRecord the positions of the probe contacts on the graph-of paper and return them to the filing container.раper map.3. Place the magnets for each arrangement on a piece of graph paperor regular paper.Drawanoutlineofthe magnetsforeach2 VII.QUESTIONS1. Why are the measured equipotential lines instead of surfaces forthis laboratory?

The measured equipotentials are lines instead of surfaces for this laboratory because the paper…

Experinent lo. 1 Equipotential and Electrie Fields 3. Uaing the second probe point as a new negative probe point, repeat the procedure to determine another point of maximum meter reading, and record. Continue this procedure until the positive electrode 1s approached. Draw a amooth curve through these pointa on the graph-paper nap. arrangement on the paper, and label the poles N and S. Using a amall compass, trace out (marking on the paper) the magnetic field lines as amooth curves. Draw enough field lines so that the pattern of the magnetic field can be clearly seen. Do not forget to indicate the field direction on the lines. JECTIVES Describe elearly the concept of a force field. Explain lines of force and the associated phyaical interpretationa. Distinguiah betveen lines of force and equipotential, and describe their relationahips to work. HEORY Then, starting again at a new position neaz the negative electrode, repeat these procedures for another field line. Trace out four to Bix field linea in this manner. Do not forget to indicate the tield direction on the linea. 1. Drav dashed-line curves perpendicular to the field lines. QUIPMENT • Field mapping board and probes • Conducting aheets with grids • Conducting paint • Connecting wires DC power supply (10V) • Voltmeter 4. Place the negative probe near the center of the field region, and rotate the positive contact until a position is found that gives a zero-meter reading. Record several of these posnts on the graph paper with a symbol different trom that used for the field lines. Check the zero on the voltmeter frequently, particularly when changing acales. Use the second point as a new pivor point, as before, and determine a series of null (zero) pointa. Draw a dashed-line curve through these equipotential pointa. Determine three to tive equipotential lines in this manner. ROCEDURE lectrie Pield 1. Draw the electrie dipole configuration on a aheet of graph paper to the same acale and coordinates as those of the painted dipole on the imprinted grid on the conducting aheet. Then place the dipole condueting aheet on the board, and set the contact terminala fimly on the painted electrode connectiona. 5. Repeat thia procedure for the parallel linear (plate) electrode configuration. Be aure to investigate the regiona around the enda of the plate electrodea. 2. For the voltmeter, the field probe ahould have tvo contacta mounted about 2 cm apart. Connect the voltage source (10-v de) to the board terminals. Magnetie Field 1. Covering the magneta with sheeta of paper or transparency material, aprinkle iron filanga to obtain an iron filing pattern for each of the arrangementa shovn in Figure my Ponition the negative (-) contact of the tield probe near the negative electrode. Uaing the negative probe point as a pivot, rotate the positive (+) contact around the fixed negative contact until the position with the maximum meter reading ia Tor the bar magnet arrangementa, the magnets should be separated by several centimetera, depending on the pole atrengthe of the magneta. Experiment with this distance so that there is enough apace between the enda of the magneta to get a good pattern. 2. Sketch the observed magnetie field patterns on Figure. After the patterna have been aketched, collect the iron filings on a piece of paper and return them to the filing container. found. Record the positiona of the probe contacta on the graph- paper map. 3. Place the magneta for each arzangement on a piece of graph paper or regular paper. Draw an outline of the magneta for each

Experinent lo. 1 Equipotential and Electrie Fields 3. Uaing the second probe point as a new negative probe point, repeat the procedure to determine another point of maximum meter reading, and record. Continue this procedure until the positive electrode 1s approached. Draw a amooth curve through these pointa on the graph-paper nap. arrangement on the paper, and label the poles N and S. Using a amall compass, trace out (marking on the paper) the magnetic field lines as amooth curves. Draw enough field lines so that the pattern of the magnetic field can be clearly seen. Do not forget to indicate the field direction on the lines. JECTIVES Describe elearly the concept of a force field. Explain lines of force and the associated phyaical interpretationa. Distinguiah betveen lines of force and equipotential, and describe their relationahips to work. HEORY Then, starting again at a new position neaz the negative electrode, repeat these procedures for another field line. Trace out four to Bix field linea in this manner. Do not forget to indicate the tield direction on the linea. 1. Drav dashed-line curves perpendicular to the field lines. QUIPMENT • Field mapping board and probes • Conducting aheets with grids • Conducting paint • Connecting wires DC power supply (10V) • Voltmeter 4. Place the negative probe near the center of the field region, and rotate the positive contact until a position is found that gives a zero-meter reading. Record several of these posnts on the graph paper with a symbol different trom that used for the field lines. Check the zero on the voltmeter frequently, particularly when changing acales. Use the second point as a new pivor point, as before, and determine a series of null (zero) pointa. Draw a dashed-line curve through these equipotential pointa. Determine three to tive equipotential lines in this manner. ROCEDURE lectrie Pield 1. Draw the electrie dipole configuration on a aheet of graph paper to the same acale and coordinates as those of the painted dipole on the imprinted grid on the conducting aheet. Then place the dipole condueting aheet on the board, and set the contact terminala fimly on the painted electrode connectiona. 5. Repeat thia procedure for the parallel linear (plate) electrode configuration. Be aure to investigate the regiona around the enda of the plate electrodea. 2. For the voltmeter, the field probe ahould have tvo contacta mounted about 2 cm apart. Connect the voltage source (10-v de) to the board terminals. Magnetie Field 1. Covering the magneta with sheeta of paper or transparency material, aprinkle iron filanga to obtain an iron filing pattern for each of the arrangementa shovn in Figure my Ponition the negative (-) contact of the tield probe near the negative electrode. Uaing the negative probe point as a pivot, rotate the positive (+) contact around the fixed negative contact until the position with the maximum meter reading ia Tor the bar magnet arrangementa, the magnets should be separated by several centimetera, depending on the pole atrengthe of the magneta. Experiment with this distance so that there is enough apace between the enda of the magneta to get a good pattern. 2. Sketch the observed magnetie field patterns on Figure. After the patterna have been aketched, collect the iron filings on a piece of paper and return them to the filing container. found. Record the positiona of the probe contacta on the graph- paper map. 3. Place the magneta for each arzangement on a piece of graph paper or regular paper. Draw an outline of the magneta for each

Inquiry into Physics

8th Edition

ISBN:9781337515863

Author:Ostdiek

Publisher:Ostdiek

Chapter8: Electromagnetism And Em Waves

Section: Chapter Questions

Problem 9Q

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