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1. |
An AC voltage source of variable angular frequency ω and fixed amplitude V0 is connected in series with a capacitance C and an electric bulb of resistance R (inductance zero). When ω is increased________. |
A. | the bulb glows dimmer |
B. | the bulb glows brighter |
C. | total impedance of the circuit is unchanged |
D. | total impedance of the circuit increases |
Answer» C. total impedance of the circuit is unchanged | |