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A small single r=1mm is placed coaxially at the center of a long solenoid n=500 tunrs per cm. The solenoid carries a current i=7sin(wt) a) what is the magnetic field through the small coil? b) What is the flux though the small coil? c) What is the rate of change of flux through the small coil? d) what is the EMF in the small coil? E) What is the Mutual inductance M21 of the small coil(2) due to the current is solenoid?
A cylindrical air capacitor with a length of 15.6m stores an amount of energy equal to 3.30×10?9J, Calculate the ratio of the radii of the inner and outer conductors
Frank and Mary are twins, and Mary wants to travel to our nearest star system, Alpha Centauri (4.30 lightyears away). How old will Frank be when she returns
Discuss the meaning of a four-dimension space-time in relation to the Lorentz transformation. What is the geometry of this space-time called. What is the four-dimensional measure of the duration in space-time
A tube of radius 5cm is connected to tube of radius 1 cm as shown above. Water is forced through the tube at a rate of 10 liters/min. The pressure in the 5 cm tube is 1×10^5 Pa. The density of water is 1000kg/m3. Suppose that the water is no visco..
A pulley system has an efficiency of 87.5 percent. How much of the rope must be pulled in if a force of 648 N is is needed to lfit a 150kg desk 2.46m .
A mass of 400 grams hangs from the rim of a wheel of radius 15cm. When released from rest, the mass falls 2 m in 6.5 sec. Find the moment of inertia of the wheel
A vertical straight wire carrying an upward 26 A current exerts an attractive force per unit length of 9.0*10^-4 N/m on a second parallel wire 9.0 cm away
you are to establish a procedure for measuring the radioactivity of samples placed in a counter. the calibration of the
the armature of a simple ac generator has 30 circular loops of wire each with a radius of 10 cm. it is rotated with a
A 0.20 kg block rests on a frictionless level surface and is attached to a horizontally aligned spring with a spring constant of 40 N/m. The block is initially displaced 4 cm from the equilibrium point and then released to set up a simple harmonic mo..
An electron in a hydrogen atom is orbiting the nucleus at 2.2x106 m/s. If we treat the electron as a classical current loop orbiting the nucleus
A very light rod with a length of 1.95m extends straight out fromone end of a meter stick. The other end of the rod serves as apivot and the system is set into oscillation. determine the period of oscillation
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