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1) A resistor and a capacitor are connected in series to an AC generator, which is initially set to 120 V (rms), and a frequency of 100 Hz. Describe how (if at all) the resistance, reactance, impedance, and rms current change as the generator frequency is steadily decreased from 100 Hz to 50 Hz. Assume that the generator's rms voltage is kept constant
2) The generator of a series RCL circuit is set to a very low frequency. Describe what happens to the impedance, rms current, and power output of the circuit as the generator frequency is steadily raised from a very low frequency to a very high frequency.
3) Describe the primary similarities and differences between visible light and radio signals.
the electric field between the plates of a parallel-plate capacitoris horizontal, uniform and has a magnitude E. A smallobject with a charge of -2.60 μC isattached to the string. Assume that the tension in the string is0.0350 N, and the angle it m..
a cross-sectional area of wire so as to produce a steady current of 5.00 mA, How many electrons passed this cross-sectional area in that amount of time
if the magnitude of the total acceleration of the car's mass center is the same at B as at A, compute the radius of curvature of the dip in the road at B
The water molecule H2O, with a permanent dipole moment of magnitude 6.2*10^-30 Cm, What force does the ion exert on the water molecule
A circular coil of wire with 70.0 Loops and a radius of 0.250 m is placed in a magnetic field of 10.0 T and oriented so that the coil is perpendicular to the field. Find the maximum power developed in the coil
A trained dolphin leaps from the water with an initial speed of 12. What is the vertical distance between the dolphin and the ball when the dolphin reaches the horizontal position of the ball
Unpoloarized light is passed through a set of n polarizers. The first polarizer is arranged with the polarizing slits aligned vertically, and the last polarizer of the set is arranged so its slits are aligned horizontally. Each polarizer in betwee..
Insects do not have lungs as we do, nor do they breathe through their mouths. Instead, they have a system of tiny tubes, called tracheae, through which oxygen diffuses into their bodies. find the oxygen concentration at the interior end of the tube
A fisherman reels in 12.0 m of line while landing a fish, using a constant forward pull of 25.0 N. How much work does the tension in the line do on the fish
An isolated capacitor of unknown capacitance has been chargedto a potential difference of 100 V. Calculate the unknown capacitance
The parachute on a race car of weight 8130 N opens at the end of a quarter mile run when the car is traveling at 30.7 m/s. What total retarding force must be supplied by the parachute
A spherical blackbody radiator has a temperature of 159°C. Its radius is 0.253 m. what is the net rate of energy radiated from the sphere?
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