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One hundred turns of (insulated) copper wire are wrapped around a wooden cylindrical core of cross-sectional area 1.20 × 10^-3 m^2 . The two ends of the wire are connected to a resistor. The total resistance in the circuit is 13.0 ?. If an externally applied uniform longitudinal magnetic field in the core changes from 1.60 T in one direction to 1.60 T in the opposite direction, how much charge flows through a point in the circuit during the change?
Two identical resistors of R0 = 30 ? are connected head-to-tail. Write an expression for the new length in terms of the old length L.
A simple camera telephoto lens consists of two lenses. The objective lens has a focal length f1 = +44.0 cm. How far behind the concave lens should the film be placed
an object is placed to the left of aa lens and a real image is formed to the right of the lens. the image is inverted relative to the object and is one half the size of the object. how far from the lens is the object
Discuss the position and size for the n = 1 state of Harmonic Oscillator. How do you picture this state? What is her size relative to the well wall? Does she penetrate the wall much?
Initially at rest, a small copper sphere with a mass of 4. 10-6 kg and a charge of 9. 10-4 C is accelerated through a 6500-V potential difference before entering a magnetic field of magnitude 4 T, directed perpendicular to its velocity. What is the r..
A 15 kg block rests on a level frictionless surface and is attached by a light string to a 5.0 kg hanging mass where the string passes over a massless frictionless pulley, What is the tension connecting the string
Two identical pieces of wood are attached by an ideal string and anchored to the bottom of a flask of water. Determine the tension in each segment of the string
Determine the maximum thermal efficiency of this plant.- Its maximum thermal efficiency if the boiler is operated at 600. psia and 1000.°F and no throttling occurs at the entrance to the turbine.
Suppose a conducting rod is 48 cm long and slides on a pair of rails at 3.25 m/s. What is the strength of the magnetic field in T if a 6 V emf is induced
A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.09 x 104 m/s, and the radius of the orbit is 2.16 x 106 meter. Evaluate what the orbital speed of the second satellite
A total of 6.03 x 106 electrons are placed on an initially uncharged wire of length 2.37 m. What is the magnitude of the acceleration of a proton
A 0.658-nm photon collides with a stationary electron. After the collision, Find the momentum of the electron
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