A) Both bulbs will glow alternatively
B) Both bulbs will glow with same brightness provided frequency \[f=\frac{1}{2\pi }\sqrt{1/LC}\]
C) Bulb \[{{b}_{1}}\]will light up initially and goes off, bulbs \[{{b}_{2}}\]will be constantly
D) Bulb \[{{b}_{1}}\] will blink and bulb \[{{b}_{2}}\] will be ON constantly
Correct Answer: B
Solution :
At resonance both bulbs will glow with same brightness. At resonance, \[{{X}_{L}}={{X}_{C}}\] or \[2\pi fL=\frac{1}{2\pi fC}\] or \[f=\frac{1}{2\pi \sqrt{LC}}\]
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