An AC voltage source of variable angular frequency w and fixed amplitude V 0 is connected…
Physics · JEE Advanced · NTA Exams — Electromagnetic Induction and Alternating Currents
An AC voltage source of variable angular frequency w and fixed amplitude V0 is connected in series with a capacitance C and an electric bulb of resistance R (inductance zero). When w is increased
- the bulb glows dimmer
- the bulb glows brighter
- total impedance of the circuit is unchanged
- total impedance of the circuit increases
Answer
(B) the bulb glows brighter
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