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For the circuit shown in the figure below, in which V = 12 V and R = 7 Ω, find the current through and the potential difference across each resistor. Place your results in the table for ease of reading.
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Compute what is the diameter (to the nearest tenth of an mm) of a tungsten wire that has the same resistance as a copper wire of the same length? The diameter of the copper wire is 5.4 millimeter
A charge of uniform volume density 40nc/m3 fills acube with 8.0 cm edges. What is the total electric flux through the surface of this cube?
A two-stage rocket moves in space at a constant velocity of+4640 m/s. The two stages are then separated by a small explosivecharge placed between them. Immediately after the explosion thevelocity of the 1230-kg upper stage is +5700 m/s.
A mirror produces an image of the sun, and the image is located 0.9800 m from the mirror. The same mirror is then used to produce an image of the tree. find the object distance do of the tree from the mirror
A sudent of mass m = 49 kg wants to measure the mass of a playground merry-go-round, which consists of a solid metal disk of radius R = 1.5 m that is mounted in a horizontal position on a low-friction axle. She tries an experiment:
A capacitor is formed from two concentric spherical conducting shells separated by vacuum. What is the energy density at r= 10.1cm, just outside the inner sphere
Another student bumps the field-producing device so that the electric field is now (23.7 N/C)i + (15.5 N/C)k, What is the new electric flux through the hoop
A 52.4-gram ball is thrown from the ground into the air, with an initial speed of 16.3 m/s at an angle of 27.4o above the horizontal, Determine the corresponding values of the momentum (direction and magnitude) and the change in momentum
A 25 gram string is stretched with a tension of 43 Newton between two fixed points 12 meter apart. Evaluate the frequency of the second harmonic
An ac generator consists of 100 loops of wire, each of area 0.090 m2, and has a total resistance 12 Ohms. Find the maximum induced emf in the generator
What is the drag force exerted on a runner running at a 7min/mi pace (3.83 m/s) on a day with no wind? Suppose a coefficient of drag of 0.8, an air density of 1.204 kg/m3, and a frontal surface area of 1.0m2.
A series circuit contains a 120.0-ohm resistor, a 0.520-H inductor, a 0.450- µF capacitor, and a time-varying source of emf providing 45.5 V. What is the resonant angular frequency of the circuit
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