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Q1. A superconducting solenoid is to be designed to have an interior field of B= 29T with a maximum current of I=1000A. How various windings are required on a 1-meter solenoid length? Reply in units of m^-1.... What does it mean when it says answer in units of m^-1? How can I find that?
Q2. A violin string 30.0 cm long with linear density 0.650 g/m is placed near a loudspeaker that is fed by an audio oscillator of changeable frequency. It's found that string is set into oscillation only at the frequency 880 Hz and 1320 Hz as the frequency of an oscillator is varied over the range 500-1500 Hz. What is the tension in the string?
Q3. Experiments to study vision frequently require tracking the movements of a subject's eye. One way of doing so is to have the subject sit in a magnetic field as wearing special contact lenses that have a coil of very fine wire circling the edge. A current is induced in the coil each time the subject rotates his eye. Think about an experiment in which 20 turn, 6.0 a-mm-diameter coils of wire circles the subject's cornea while a 0.80 {rm T} magnetic field is directed. The subject begins by looking straight ahead. What emf is induced in the coil if the subject shifts his gaze by 8.0^circ in 0.20 {rm s}?
A sphere of radius R is uniformly charged to a total charge of Q. It is made to spin about an axis that passes through its center with an angular speed ω. Find the magnitude of the resulting magnetic field at the center of the sphere.
A resistor is in the shape of a cube, with each side of resistance R . Find the equivalent resistance between any two of its adjacent corners.
Question: Field and force with three charges? What is the electric field at the location of Q1, due to Q 2 ?
What is the maximum displacement of the bridge deck?
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Questions on blackbody, Infra-Red Detectors & Optic Lens and Digital Image.
Illustrate the cause of the components accelerating from rest down the conveyor.
Calculate the dc voltage applied to the circuit.
Quadrupole moments in the shell model
Determine the tension in each string
Calculate the smallest coefficient of static friction necessary for mass A to remain stationary.
Evaluate maximum altitude?
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