V.3 No 1

87

Several experiments studying dynamic magnetic field

The diagram of  U₂₀ variation with respect to l  and k  is shown in Fig. 22.

Fig. 22. Calculation diagram of variation of inductive emf U₂₀  (in Volts) with respect to probe location in the gap l   and coefficient  k characterising the voltage amplitude across the primary winding c

If we compare this diagram with our experimental results shown above in Fig. 19, we can make sure of their identity. Conveniently put them together in Fig. 23.

Fig. 23. Comparison of calculation diagram shown in Fig. 22 and experimental diagram shown in Fig. 19