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Series LCR: Impedance and Phase for GUJCET: 11 solved questions

Real GUJCET paper questions on series lcr: impedance and phase, part of alternating current. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 2008 to 2023. No sign-in needed to read them.

What this topic asks

• Impedance and phase angle — 6 questions
• Current in a series LCR — 4 questions
• Voltages across the elements — 1 question

All 11 questions with solutions

• In an A.C. circuit, a resistance of R ohm is connected in series with an inductor of self-inductance L. If th… GUJCET 2008
• A coil has self-inductance L=0.04 H and resistance R=12 Ω. When it is connected to a 220 V, 50 Hz supply, wha… GUJCET 2009
• A resistor of 30 Ω, an inductor of inductive reactance 10 Ω and a capacitor of capacitive reactance 10 Ω are… GUJCET 2013
• A current of frequency (25)/π Hz is passing through an A.C. circuit having a series combination of R=100 Ω an… GUJCET 2015
• A current of frequency (50)/π Hz is passing through an A.C. circuit having a series combination of resistance… GUJCET 2016
• An A.C. voltage V=5 cos(1000t) V is applied to an L-R series circuit of inductance 3 mH and resistance 4 Ω. T… GUJCET 2017
• A pure inductor of 25.48 mH and a pure resistor of 8 Ω are connected in series with an A.C. source of frequen… GUJCET 2023
• A current of frequency (50)/π Hz is passing through an A.C. circuit having a series combination of resistance… GSEB Board March 2018
• A coil of inductance L and resistance R is connected to an A.C. source of V volt. If the angular frequency of… GSEB Board March 2018
• An impedance of an LC series circuit is (where X_L > X_C). GSEB Board March 2022
• The potential differences between the two ends of the three components of an L–C–R series A.C. circuit are V_… RS Academy GUJCET booklet