Practical Electrical Testing in Physics and Electrical Engineering: Being a Course Suitable for First and Second Year Students and OthersLongmans, Green, 1901 - 392 страници |
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Страница 2
... shown in Figs . 1 and 2 . ( 5 ) Plot the points by mentally following out the right axes to their point of intersection , using a convenient notation for the points . Thus , if several curves are to be plotted on the same sheet of curve ...
... shown in Figs . 1 and 2 . ( 5 ) Plot the points by mentally following out the right axes to their point of intersection , using a convenient notation for the points . Thus , if several curves are to be plotted on the same sheet of curve ...
Страница 6
... FIG . 4 . Ti = 2π K M ( H , H ) 9 , or M ( H , H ) = 4 K T12 where Ti = - time of one complete oscillation in ... Fig . 4 , then , when the needle is below the equator of NS , the north pole of it will point as shown , and we evidently ...
... FIG . 4 . Ti = 2π K M ( H , H ) 9 , or M ( H , H ) = 4 K T12 where Ti = - time of one complete oscillation in ... Fig . 4 , then , when the needle is below the equator of NS , the north pole of it will point as shown , and we evidently ...
Страница 11
... Fig . 5 , I. , the true dip is AOn or BON , and if there is eccentricity , what we read off at one end is AOn ... shown in III . , instead of a as before , the centre of gravity will now be above O , and hence the dip will be too small . The ...
... Fig . 5 , I. , the true dip is AOn or BON , and if there is eccentricity , what we read off at one end is AOn ... shown in III . , instead of a as before , the centre of gravity will now be above O , and hence the dip will be too small . The ...
Страница 16
... given in ( 4 ) , and state what assumptions are made in obtaining it . RHM1 n --- 27 R FIG . 8 . B. Position ... shown in 16 Practical Electrical Testing .
... given in ( 4 ) , and state what assumptions are made in obtaining it . RHM1 n --- 27 R FIG . 8 . B. Position ... shown in 16 Practical Electrical Testing .
Страница 25
... shown in Fig . 11 , and adjust the galvanometer needle to zero . ( 2 ) With one Daniell's cell in circuit make 1 = 1 ohm ( say ) and 12 = 4999 ohms . Press K , and note the deflections 0 , and either side of zero by turning S. ( 3 ) ...
... shown in Fig . 11 , and adjust the galvanometer needle to zero . ( 2 ) With one Daniell's cell in circuit make 1 = 1 ohm ( say ) and 12 = 4999 ohms . Press K , and note the deflections 0 , and either side of zero by turning S. ( 3 ) ...
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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 Introduction.-The K₁ known resistance Leclanché cells lines of force magnetic moment magnetizing force magnetometer means measuring method mirror galvanometer mutual induction 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 Scientific Works published screws secohmmeter secohms self-induction sensitive shown in Fig shunt solenoid specimen spot of light standard suitable tabulate as follows tabulate your results tangent galvanometer temperature terminals tested throw tube V₁ V₂ volts Wheatstone bridge wire zero
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