In the circuit shown here, the voltage across $\mathrm{E}$ and $\mathrm{C}$ are respectively $300…

In the circuit shown here, the voltage across $\mathrm{E}$ and $\mathrm{C}$ are respectively $300 \mathrm{~V}$ and $400 \mathrm{~V}$. The voltage $\mathrm{E}$ of the ac source is :
  1. $400$ Volt
  2. $500$ Volt
  3. $100$ Volt
  4. $700$ Volt

Solution

Voltage $E$ of the ac source $\begin{aligned} & E=V_C-V_L \\ & =400 \mathrm{~V}-300 \mathrm{~V}=100 \mathrm{~V} \end{aligned}$

Asked in: JEE Main 2013 (09 Apr Online)

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