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a) An AC voltage with an amplitude of 112 V is applied to a series combination of a 203 ?F capacitor, a 110 mH inductor, and a 21.5 ? resistor. Calculate the power dissipated by the circuit at a frequency of 60.0 Hz.
b) Calculate the power factor at this frequency.
c) Calculate the power dissipation at a frequency of 50.0 Hz.
d) Calculate the power factor at this frequency.
Two concentric metallic spheres of radii r1 and r2> r1, respectively, are maintained at temperatures T1 and T2, and are separated by a layer of homogeneous material thermal conductivity k.
A partly-full paint can has 0.82 U.S. gallons of paint left in it. What is the volume of the paint
Planet Z is 1.00x10^4 km in diameter. The free fall acceleration on Planet Z is 5.00 m/s^2. What is the free fall acceleration
In a period of 1 s, 4.00 x10^23 nitrogen molecules strike a wall with an area of 6.30 cm2. If the molecules move with a speed of 300 m/s and strike wall head-on in elastic impacts, what is the pressure exerted on the wall? (The mass of one N2 mole..
A piece of Nichrome wire has a radius of 5.0 x10-4 m. It is used in a laboratory to make a heater that dissipates 2.00 x10^2 W of power when connected to a voltage source of 120 V. Ignoring the effect of temperature on resistance, estimate the req..
A battery with an emf of 1.50 V has an internal resistance r. When connected to a resistor R, the terminal voltage is 1.40 V, what is the resulting current
One of the 61.0cm -long strings of an ordinary guitar is tuned to produce the note B3 (frequency 245 Hz) when vibrating in its fundamental mode. Find the speed of transverse waves on this string
An electron is in an angular momentum state with l=3, What is the lenght of the electron's angular momentum vector
Three resistors are connected to a in series with a 19 V ideal battery, What is the current coming out of the battery
A parallel-plate air capacitor has a capacitance of 400pF and a charge of magnitude 0.250uC on each plate. The plates are 0.600mm apart. What is the surface charge density on each plate
A 79.0 kg man is riding in a shopping mall. The escalator moves the man at constant velocity from ground level to the floor above, the vertical height of 4.40m.What is the work completed on the man by the gravitational force and the escalator.
You need to make a series ac circuit having a resonance angular frequency of 1475 rad/s using a 146 Omega resistor, a 10.5 mF capacitor, and an inductor. What should be the inductance of the inductor
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