Alternating Current

JEE Main · Physics · 3 past questions

These are the board's own papers. 106 more board questions reprinted in the books we use in class are for signed-in students: sign in.

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Q2 2026 5 Apr Shift 2

A series LCR circuit with $R=20\ \Omega$, $L=1.6$ H and $C=40\ \mu$F is connected to a variable frequency…
Q3 2026 6 Apr Shift 1

A LCR series circuit driven with $E_{rms}$ = 90 V at frequency $f_d$ = 30 Hz has resistance $R$ = 80…