A sinusoidal voltage of the form V (t) = V, cos (ot) is applied across a parallel plate capacitor placed in vacuum. Ignoring the edge effects, the induced emf within the region between the capacitor plates can be expressed as a power series in a. The lowest non- vanishing exponent in w is
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- For a sinusoidal voltage waveform of amplitude Vp=3.4±0.9 V, what is the uncertainty on the Vrms value? Remember, Vrms v2 Report your answer in V to 3 decimal places.In order to get the reactance to 120 at 1.0 MHz, you add a capacitor in series to your 3.0 nF capacitor. What value does this capacitor need to be? 3.0 nF ?An oscillating LC circuit consisting of a 1.3 nF capacitorand a 4.5 mH coil has a maximum voltage of 2.3 V.What are (a) themaximum charge on the capacitor, (b) the maximum currentthrough the circuit, and (c) the maximum energy stored in themagnetic field of the coil?
- A transmitter consists of an LC circuit with an inductance of (2.1960x10^1) µH and a capacitance of (2.22x10^1) pF. What is the wavelength of the electromagnetic waves it emits? Express your result with three significant figures in meters.A Radio Tuning Circuit. The minimum capacitance of a variable capacitor in a radio is 4.18 pF. (a) What is the inductance of a coil connected to this capacitor if the oscillation frequency of the L-C circuit is 1600×103 Hz, 1600 × 10 3 Hz, corresponding to one end of the AM radio broadcast band, when the capacitor is set to its minimum capacitance? (b) The frequency at the other end of the broadcast band is 540×103 Hz. 540 × 10 3 Hz . What is the maximum capacitance of the capacitor if the oscillation frequency is adjustable over the range of the broadcast band?A sound speaker is rated at a voltage of P = 120.0 V and a current of Iurrenmt = 8.00 A Electrical power consumption is P = IV , where the units are: [W] = [A] [V] . To test the speaker, a signal of a sine wave is applied to the speaker. Assuming that the sound wave moves as a spherical wave and that all of the energy applied to the speaker is converted to sound energy, how far from the speaker is the intensity equal to I = 3.73 W/m ? Express your answer in m. Hint: remember, the intensity of a wave is I =