Physics · Alternating Current
The capacitive reactance of a capacitor 'C' is X Ω. If both the frequency of the a.c. supply and the capacitance of the capacitor are doubled, the new capacitive reactance will be:
- 14X Ω
- 22X Ω
- 3X2 Ω
- 4X4 Ω✓
Correct answer
X4 Ω
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