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A light bulb is connected to a 240-V wall socket. The current in the bulb depends on the time t according to the relation I = (2.828 A) sin[(596.6 Hz)t].
(a) What is the frequency of the alternating current?
Hz
(b) Determine the resistance of the bulb's filament?
?
(c) What is the average power delivered to the light bulb?
W
A capacitor that is initially uncharged is connected in series with a resistor and a 406.7V emf source with negligible internal resistance, What is the resistance of the resistor
Explain the spacing between allowed vibrational energy levels
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