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I have a video in youtube about the experiment :
Experiment 1: Show that current leads voltage by 90 degrees in capacitor (Using Oscilloscope)
where the phase difference between Vr and Vs and the phase difference between Vs and Vc are seen on scope.
If the accuracy of scope of somebody is better than the accuracy of my scope.
For example, if each jump of the cursor of scope is 1µ s ( Δ x/ Δ t), the angle would be 89.99 ° or 90 ° .
(Each jump of my scope is 4µ s)
Besides, my method to find θ and Φ is
(1) using high pass RC circuit to...
I used the phasor diagram of RC circuit to analyse the experiment. If the angle between Vr and Vs is θ and
the angle between Vs and Vc is Φ . The addition of θ and Φ should be near to 90 °
( Vr : voltage of resistor;
Vs : voltage of source;
Vc : voltage of capacitor;
I ...
Thanks for your replies!
I have designed a simple experiment to show that it is true within the experimental errors and wanted to know whether there is another method to show that it is true. (One of the experimental errors arises from the accuracy of my scope. )
1597594826
I used a series RC...
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