HARD
12th Karnataka Board
IMPORTANT
Earn 100

Draw a graph between frequency and current for a series L-C-R ac circuit. Derive expression for band width, showing half power frequencies on the graph.

Important Questions on Alternating Current
HARD
12th Karnataka Board
IMPORTANT
A series circuit of , , is joined to a source of . Find (i) Resonant frequency (ii) impedance of circuit and peak value of current at resonance (iii) RMS value of the voltage at all the three elements.

MEDIUM
12th Karnataka Board
IMPORTANT

EASY
12th Karnataka Board
IMPORTANT

HARD
12th Karnataka Board
IMPORTANT

EASY
12th Karnataka Board
IMPORTANT

MEDIUM
12th Karnataka Board
IMPORTANT

MEDIUM
12th Karnataka Board
IMPORTANT

MEDIUM
12th Karnataka Board
IMPORTANT
