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You are doing a study of bird migration and need to determine the strength and direction of the Earth's magnetic field B using a magnetometer (a device for measuring magnetic fields). This magnetometer consists of a long wire carrying 10.0 A of current. Assume the wire and the magnetic field are both parallel to the ground. For the two orientations of the wire shown (viewed from above), the magnitude of the force per unit length F/L is given. The orientation of the wire in Figure I is perpendicular to the orientation of the wire in Figure II.
a. What is the strength of the Earth's magnetic field (in micro Tesla)?
b. Your research student is standing 5.00 m away from the wire. What is the strength of the magnetic field at that location due solely to the wire?
c. The research student in part (c) has a compass needle that aligns itself to be parallel with magnetic field lines. Will the compass needle be deflected to point toward the wire, away from the wire, or neither? Explain your answer.
a mass-spring system has k=54.4 N/m and m=0.465kg. Find the period of its simple harmonic motion and Find the frequency of its simple harmonic motion
Two very large parallel plates are uniformly and oppositely charged. The field among the plates is 1.6×106N/C . How dense is the charge on each plate (in C/m2 )? How much total charge is on each plate if they are 17.5cm on a side?
In an RC series circuit, ? = 12.0 V, R = 2.02 M?, and C = 2.33 µF. Find the maximum charge that will appear on the capacitor during charging
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a river with a water temperature T(L)=20 degree C is to be used as the low temperature reservoir of a large power plant, what is the largest electrical output that the plant can deliver to its customers
A 30 cm long cylindrical rod of red brass (E= 120 GPa) is loaded axially causing the rod to elongate 0.580 mm. If the diameter of the rod is 1.75 cm, what is the load
an object starting from rest begins to rotate with constant angular acceleration a. in a time t the object rotates
What is the wavelength of emitted photon of the previous question if k = 10eV/ °A2, where °A denotes Angstrom and eV: electron volt. Is the emitted photon in visible spectrum of a human eye.
Three point charges, Q1, Q2, and Q3, are located in the xy- plane. Q1 is -5.580E-6 C and is located at the origin; Q2 is 4.230E-6 C, Calculate the total electrostatic potential energy
A fisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. How fast are the waves traveling
What is the magnitude B of a magnetic field, perpendicular to the plane of a ciarcular loop with a radius of 7cm that produces a net magnetic flux of 8.1mWb?
show that the force on each plate of a parallel plate capacitor has a magnitude equal to 12 qe where q is the charge on
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