Question 193: AC fundamentals

Question

For a series LCR circuit with R = 100 $$\Omega$$, L = 0.5 mH and C = 0.1 pF connected across 220V$$-$$50 Hz AC supply, the phase angle between current and supplied voltage and the nature of the circuit is :

Accepted Answer

R = 100$$\Omega$$
$${X_L} = \omega L = 50\pi  	imes {10^{ - 3}}$$
$${X_C} = {1 \over {\omega C}} = {{{{10}^{11}}} \over {100\pi }}$$
$${X_C} >  > {X_L}$$
& $$\left| {{X_C} - {X_L}} ight| >  > R$$

Answer

0$$^\circ$$, resistive circuit

Answer

$$ \approx $$ 90$$^\circ$$, predominantly inductive circuit

Answer

0$$^\circ$$, resonance circuit

Answer

$$ \approx $$ 90$$^\circ$$, predominantly capacitive circuit

AC fundamentals

For a series LCR circuit with R = 100 $\Omega, L = 0.5 mH and C = 0.1 pF connected across 220V-$50 Hz AC supply, the phase angle between current and supplied voltage and the nature of the circuit is :

Choose the correct answer: