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A flat loop of wire consisting consisting of 4 turns, each of which encloses 200cm^2, is oriented perpendicularly to a magnetic field that increases uniformly in a magnitude from 10.0mT to 25 mT in 5.0ms. If the coil has a total resistance of 5.0 ohms, what is the magnitude of the induced current? 0.048A
Which statements are true for two oppositely charged, isolated parallel plates: C=capacitance, U=stored energy (Q and -Q = charge on the plates). Note: Isolated plates cannot lose their charge. True or False: Inserting a dielectric decreases U.
A cannon, placed in the valley, fires a shell at 31 degree with respect to the horizontal line. Calculate the range of the shell
What is the threshold energy for this reaction to occur
a ships anchor chain is wrapped around a hollow steel drum of mass m 500 kg and radius r 0.5m. the drum is located on
Two conductors having net charges of +18.0 µC and -18.0 µC have a potential difference of 18.0 V between them. (a) Determine the capacitance of the system. F (b) What is the potential difference between the two conductors if the charges on each are i..
A large electromagnetic cool is connected to a 120-Hz as source. The coil has resistance 410 ohms and at the reactance 180 ohms. What must the rms voltage of the source be if the cookie to consume an average electrical power of 800 W?
A large wheel is coupled to a wheel with half the diameter, as shown in the sketch. How does the rotational speed of the smaller wheel compare with that of the larger wheel? Discuss the comparisons of the tangential speeds at the rims (assuming ..
A rectangular loop is 1.2 m wide and 0.80 m tall and carries 0.50 A of current clockwise. Find the net force and torque on the rectangular loop
Two identical conducting spheres are separated by a fixed center-to-center distance of 47cm and have different charges. Initially, the spheres attract each other with a force of 0.095 N. The spheres are now connected by a thin conducting wire. Aft..
A 61 V. battery is connected across a 62600 ohm and a 31700 ohm resistor connected in series. What is the per cent error in the voltmeter reading
an apple drops from the tree and falls freely. the apple is originally at rest a height h0 above the top of the grass
What is the magnitude of the displacement of a car that travels half a lap along a circle that has a radius of 240m
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