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- The self-inductance and capacitance of an LC circuit e 0.20 mH and 5.0 pF. What is the angular frequency at which the circuit oscillates?An ac source of voltage amplitude 10 V delivers electric energy at a rate of 0.80 W when its current output is 2.5 A. What is the phase angle between the emf and the current?An LC circuit with a 5.00-pF capacitor oscillates in such a manner as to radiate at a wavelength of 3.30 m. What inductance is in series with the capacitor?
- In an oscillating LC circuit with L = 44 mH and C = 4.9 μF, the current is initially a maximum. How long will it take before the capacitor is fully charged for the first time?An LC circuit has an inductor of inductance 8.4 mH and a capacitor with a capacitance of 963.7 µF. At what frequency, in radians per second, will the circuit oscillate?For what absolute value of the phase angle does a source deliver 74 % of the maximum possible power to an RLC circuit?
- North American outlets AC electricity with a frequency of f = 60.0 Hz while the European standard is 50.0 Hz. What value of capacitance provides a capacitive reactance of 1.00-ka) in North America and b) in Europe?North American outlets supply AC electricity with a frequencyof f = 60.0 Hz while the European standard is f = 50.0 Hz.What value of capacitance provides a capacitive reactance of1.00 kΩ (a) in North America and (b) in Europe?An LC circuit in an AM tuner (in a car stereo) uses a coil with an inductance of 2.5 mH and a variable capacitor. If the natural frequency of the circuit is to be adjustable over the range 540 to 1600 kHz (the AM broadcast band), what range of capacitance is required?
- After fully charging a 400 F capacitor to Qo= 8 C, an LC circuit is disconnected from its battery, when the energy stored in the capacitor is only one-fourth of its maximum value, what is the current through the inductor if L =0.03 H?An oscillating LC circuit consists of a 75.0 mH inductor and a 3.60 mF capacitor. If the maximum charge on the capacitor is 2.90 mC, what are (a) the total energy in the circuit and (b) the maximum current?