Brightness of the bulb increases on increasing the frequencyof a.c. source because with increase in frequency capacitive reactance Xc and consequently the impedance decreases. Class 12 Physics Chapter 7 Alternating current Session 2024-2025.
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Brightness of the bulb increases on increasing the frequencyof a.c. source because with increase in frequency capacitive reactance Xc and consequently the impedance decreases. Class 12 Physics Chapter 7 Alternating current Session 2024-2025.