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 9
... weight , is just on the scale ; alter the controlling magnet of G to get this if necessary . ( 3 ) Clamp the frame of I close up to one end of M , and observe twice over for this position the first throw on G when I falls . Note the ...
... weight , is just on the scale ; alter the controlling magnet of G to get this if necessary . ( 3 ) Clamp the frame of I close up to one end of M , and observe twice over for this position the first throw on G when I falls . Note the ...
Page 18
... weight of the magnet in grammes , 2 / its length in centimetres , r = its radius ( if it is of circular cross - section ) , and bits breadth , measured horizontally , if it is of rectangular cross- section , then we have- For a ...
... weight of the magnet in grammes , 2 / its length in centimetres , r = its radius ( if it is of circular cross - section ) , and bits breadth , measured horizontally , if it is of rectangular cross- section , then we have- For a ...
Page 20
... weight , W1 , = Magnet No. W2 , = grms .; length , 2/1 , = cms .; 1 = cms .; K1 = 2 / 2 , = 23 12 = K2 = Times in seconds . No. of transits . Transits per second . Mean , MI M N2 M2 M2 t1 . 12 . N1 . Ng . n = 12 = 12 11. Distribution of ...
... weight , W1 , = Magnet No. W2 , = grms .; length , 2/1 , = cms .; 1 = cms .; K1 = 2 / 2 , = 23 12 = K2 = Times in seconds . No. of transits . Transits per second . Mean , MI M N2 M2 M2 t1 . 12 . N1 . Ng . n = 12 = 12 11. Distribution of ...
Page 24
... Weight , Length , Radius , No. of W al magnet . grms . cms . " cms . K. Per sec . N. N T t . n = t scale - divisions . Time in secs . Scale de- flection , 22 D. ( 10 ) Carefully weigh and measure the magnets . Distance , d cms . H Mean ...
... Weight , Length , Radius , No. of W al magnet . grms . cms . " cms . K. Per sec . N. N T t . n = t scale - divisions . Time in secs . Scale de- flection , 22 D. ( 10 ) Carefully weigh and measure the magnets . Distance , d cms . H Mean ...
Page 56
... weight in grammes , and σ its density in grammes per cubic centimetre , the sectional area in square cen- timetres- vol . W A = = = στ 4 Hence , substituting in the above equation , we get- p = Rz 1 σ12 We may obtain σ by suspending the ...
... weight in grammes , and σ its density in grammes per cubic centimetre , the sectional area in square cen- timetres- vol . W A = = = στ 4 Hence , substituting in the above equation , we get- p = Rz 1 σ12 We may obtain σ by suspending the ...
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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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