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what is the magnitude of the current in the rectangular loop and its direction (clockwise or counterclockwise in the diagram) ? Can you please solve the problem explaining the steps.
The electric field due to the point charge has a magnitude of 470 N/C at the center of the sphere. What is the magnitude of the force on the sphere due to the point charge?
Explain qualitatively how it is possible for the electric field at locations near the center of a uniformly charged disk not to vary with distance away from the disk.
If the electric field exceeds about 3*10^6 N/C in air, a spark occurs. Approximately, what is the absolute value of the maximum possible potential difference between the plates of a capacitor whose
A long straight wire carries a conventional current of 0.9 amperes. What is the approximate magnitude of the magnetic field at a location a perpendicular distance of 0.035m from the wire due to the
The emf of a particular flashlight battery is 1.7 volts. If the battery is 4.5 cm long and the radius of the cylindrical battery is 1 cm, estimate roughly the amount of charge on the positive end pl
A hundred volt potential difference is suddenly applied to the initial uncharged plates through a 1000 ohm resistor in series with the deflection plates. How long does it take for the potential diff
Explain why the total flux nevertheless is proportional only to the charges that are inside the surface, with no apparent influence of the charges outside.
A pulse of radiation propagates with velocity ( 0, 0, -c). The electric field in the pulse is (7.2 * 10^6 , 0, 0) N/C. What is the magnetic field in the pulse ?
Determine the thermal efficiency, the heat rate, and the flow rate for a 10 MW system if the mixed-flow expander possesses an isentropic efficiency of 0.50.
Estimate the maximum magnetic field you might experience walking under such a power line, and compare to the Earth's field.
If two identical satellites or the Earth in circular orbits collide head on in a perfectly inelasctic collision, what would happen to the debris? Explain Why!! (If you can add formulas proving the e
A 1 µCi hot particle was removed from a worker's forearm using a tape press. An isotopic analysis of the particle is in the table below. What was the beta dose, in Gy and rads, to 1 cm^2 of sk
Assuming the specific heat of the body is the same as water, calculate the temperature rise due to a total body dose of 10 Gy (1000 rads). Show your work.
A collimated gamma ray beam consists of equal numbers of 0.1 MeV and 1.0 MeV photons. If the beam enters a 5 cm thick lead shield, what is the relative portion of 1 MeV photons to 0.1 MeV photons in
A uniform charge of +15.5 µC is on a thin circular ring lying in an xy plane and centered on the origin. The ring's radius is 3.00 cm. If point A is at the origin and point Bis on the z axis a
Assuming the specific heat of the body is the same as water, calculate the temperature rise due to a total body dose of 10 Gy (1000 rad). Show your work.
The brothers depart at the same time. While Salviati's spaceship travels at 0.900c, Simplicio's spaceship can only travel at 0.700c. Knowing this, we set out to find out the age difference between t
What is the direction of the magnetic force on the proton (answer should be an angle relative to the horizontal direction. Use a negative angle if it is below the horizontal)?
Dry air had a CO2 mole fraction of 0.00038 in 2007 (compared with 0.00032 in 1965). Calculate the total mass of CO2 that strikes 1 cm^2 of one side of a green leaf in 1 s in dry air at 25oC and 1.00
The top of Pike's Peak is 14,100 ft above sea level. Neglecting the variation of T with altitude and using the average surface temperature of 290K and the number average molecular weight of 29 for a
For N2 at 25oC and 1.00 atm calculate the number of collisions per second made by one molecule; the number of collisions per second per cubic centimeter; compare these values to N2 at 25oC and 1.0*1
Assume that a lightning bolt can be represented by a long straight line of current. If 15.0 C of charge passes by in a time of 1.5 x 10-3s, what is the magnitude of the magnetic field at a distance o
Calculate the x-component of the force on a 1.0-cm long piece of the lower right-hand wire, due to the other three wires.