From the diagram above, if the potential difference across the resistor, capacitor and inductor are 80 v, 110 v, 40 v respectively, the effective potential difference is?
V = √ \({(v_l - v_c)}^2 + V^2R\)
V =√ \({(40 - 110)}^2 + 80^2\)
V = √ \({-70}^2 + 80^2\)
=√ 4900 + 6400
=√ 11300
= 106.3v
There is an explanation video available below.
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