A voltage source (mathrm{V}_{mathrm{S}}=100 angle 90^{circ} mathrm{V}) is connected in series to a resistor of (10 Omega)

Question:

A voltage source $\mathrm{V}_{\mathrm{S}}=100 \angle 90^{\circ} \mathrm{V}$ is connected in series to a resistor of $10 \Omega$ and an inductor of $j 10 \Omega$. Find the phasor current $\mathbf{I}_{\mathrm{S}}$ through the circuit. Draw a phasor diagram of the voltage source and the current. Does the current lead or lag the source voltage?

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