Question

If the resistance in a series rc circuit is increased the magnitude of the phase angle

Answer 1

Answer:

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Explanation:

Answer 2

Answer:

If the resistance in a series rc circuit is increased the magnitude of the phase angle will decrease.

Explanation:

• When a series RC circuit is excited by a alternating current, the current in capacitor leads the voltage by 90⁰ phase and current through resistance remains in phase with voltage.
• The impedance of the circuit is given by

$|Z| = \sqrt{ {R}^{2} + {χ(c)}^{2} }$

• Phase angle is given by

$∅ = {tan}^{ - 1} ( \frac{1}{wCR} )$

• If the resistance in a series RC circuit is increased, value of 1/wCR will decrease.
• The value of tan⁻¹ (1/wCR) will also decrease.
• Hence, the phase angle of the series RC circuit will decrease on increase the resistance.