Practical Electrical Testing in Physics and Electrical Engineering: Being a Course Suitable for First and Second Year Students and Others |
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Page 1
... PRACTICAL ELECTRICAL TESTING 1. Curve Plotting . Introduction . It is of paramount importance in a great many kinds of work , but perhaps more especially in physics and electrical engineering , to thoroughly grasp , firstly , the great ...
... PRACTICAL ELECTRICAL TESTING 1. Curve Plotting . Introduction . It is of paramount importance in a great many kinds of work , but perhaps more especially in physics and electrical engineering , to thoroughly grasp , firstly , the great ...
Page 3
... 32'0 15,000 4000 37'5 16,000 58.0 16,500 2000 88.0 10 20 30 40 50 60 70 80 90 -009 Magnetising Force ( H ) in C.G.S. measure FIG . 2 . 2. Delineation of Lines of Magnetic Force ( Compass - Practical Electrical Testing . 3.
... 32'0 15,000 4000 37'5 16,000 58.0 16,500 2000 88.0 10 20 30 40 50 60 70 80 90 -009 Magnetising Force ( H ) in C.G.S. measure FIG . 2 . 2. Delineation of Lines of Magnetic Force ( Compass - Practical Electrical Testing . 3.
Page 7
... clamp E carefully . Then , bringing the magnet up to a compass card or other galvanometer needle , note the effect , and thus determine which is the north pole . ( 2 ) Replace the magnet in its clamp with Practical Electrical Testing . 7 '
... clamp E carefully . Then , bringing the magnet up to a compass card or other galvanometer needle , note the effect , and thus determine which is the north pole . ( 2 ) Replace the magnet in its clamp with Practical Electrical Testing . 7 '
Page 9
... the first throw on G when I falls . Note the mean ( d ) and the position ( L ) of I from one end . In each case the spot of light must be absolutely Practical Electrical Testing . 9 RESISTANCE (MEDIUM, LOW, AND HIGH) 36-51 ELECTRICAL.
... the first throw on G when I falls . Note the mean ( d ) and the position ( L ) of I from one end . In each case the spot of light must be absolutely Practical Electrical Testing . 9 RESISTANCE (MEDIUM, LOW, AND HIGH) 36-51 ELECTRICAL.
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Common terms and phrases
abscissæ accurate adjust the galvanometer amperes amps apparatus arrangement axis balance ballistic galvanometer battery C₁ capacity cells centre charge circuit coil condenser connected constant convenient copper Crown 8vo curve d₁ deflection Diagrams dip circle discharge E₁ earth ebonite electrometer farads fixed galvanometer resistance Hence high-resistance horizontal Illustrations inductor Inferences instrument insulated internal resistance K₁ Leclanché cells lines of force magnetic moment magnetizing force magnetometer means measuring method mirror galvanometer mutual induction Note the values Observations.-(1 obtained Ohm's law ohms pairs plates plug pole position potential quadrants quantity of electricity R₁ R₂ Repeat resistance box results as follows reversing rheostat scale screws secohmmeter secohms self-induction sensitive shown in Fig shunt solenoid specimen spot of light standard steady current suitable tabulate as follows tabulate your results tangent galvanometer temperature terminals tested throw tube V₁ V₂ volts Wheatstone bridge wire Woodcuts zero
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