Series LCR Circuit and Impedance

JEE Main Physics · Alternating Current · 10 questions, latest first

• An a.c. source of angular frequency ω is connected across a resistor R and a capacitor C in series. The current is observed as I.…20265 April, Shift 1 · Q44
• The figure given below shows an L C R series circuit with two switches S_1 and S_2. When switch S_1 is closed keeping S_2 open,…20262 April, Shift 2 · Q42
• An inductor of self inductance 1 H is connected in series with a resistor of 100 π ohm and an ac supply of 100 π volt, 50 Hz.…20254 April, Shift 2 · Q48
• Given below are two statements: one is labelled as Assertion and the other is labelled as Reason (R). Assertion: Choke coil is…202529 January, Shift 1 · Q37
• When a coil is connected across a 20 V dc supply, it draws a current of 5 A. When it is connected across 20 V, 50 Hz ac supply,…20249 April, Shift 1 · Q58
• A coil of negligible resistance is connected in series with 90 Ω resistor across 120 V, 60 Hz supply. A voltmeter reads 36 V…20248 April, Shift 2 · Q43
• An ac source is connected in given series LCR circuit. The rms potential difference across the capacitor of 20 μ F is ____ V.20245 April, Shift 1 · Q57
• A series LCR circuit consists of R=80 Ω, X_L=100 Ω, and X_C=40 Ω. The input voltage is 2500 cos (100 π t) V. The amplitude of…202331 January, Shift 2 · Q23
• In the given circuit, rms value of current (I_rms ) through the resistor R is:202330 January, Shift 2 · Q14
• For the given figures, choose the correct options:202329 January, Shift 2 · Q14