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用附图所示的电路来演示电磁振荡。取材简便,操作利索,只要不断揿放继电器的衔铁杆,示波器上将连续出现阻尼振荡的波形。效果很好。
Use the circuit shown in the figure to demonstrate electromagnetic oscillations. The material is simple and easy to operate. As long as the armature of the relay is constantly placed, the oscilloscope will continuously appear the waveform of damped oscillation. good results.