the magnetic camp that flows through point P2 outside
the wire is:
a 4.05x10^-7 T
b 0.0T
c 8.1x10^-7 T
d 2.0x10-7 T
Flux outside the wire is zero as we consider inductor as an infinite solenoid hence field doesn't exist at outside point.
Hence field is zero
the magnetic camp that flows through point P2 outside the wire is: a 4.05x10^-7 T b...
An 18 A current flows through the wire shown. What is the magnitude of the magnetic field in T) due to a 0.4 mm segment of wire as measured at the following points? 7 cm B 6 cm (a) point A хт (b) point B T
An 18 A current flows through the wire shown. What is the magnitude of the magnetic field (in T) due to a 0.4 mm segment of wire as measured at the following points? А 7 cm B 6 cm (a) point A 8e-7 XT (b) point B 1.73e-9 хт
b inside a current carrying wire
A steady current I flows through a wire of radius a. The current density in a wire varies with ras ) = kr2, where k is a constant and r is the distance from the axis of the wire. Find expressions for the magnitudes of the magnetic field inside and outside the wire as a function of r. (Hint: Find the current through an Ampèrian loop of radius r using thru /j. dA. Use...
39. As an electric current flows through a wire, a. a magnetic field is generated that is inversely related to the current. b. magnetic field lines form around the wire that reverse direction when the current is reversed. c. the lines of magnetic force created closest to the wire are the weakest. d. magnetic lines of force are formed around the wire in the same direction regardless of the direction of the current.
A semicircular wire of radius R connects two straight wire segments. If a current I flows along the wire, the magnitude of the magnetic field at the center of the semicircular wire due to the current in the semicircular wire is A) μoI/8πR. B) μoI/2R. C) μoI/8R. D) μoI/4πR. E) μoI/4R.
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At a point 10 m away from a long straight thin wire, the magnetic field due to the wire is 0.10 mT. What current flows through the wire? (o 4IT 10-7 T. m/A) 1.26 Submit My Answers Give Up Incorrect; Try Again; 5 attempts remaining Provide Feedback Continue
the answers are:
a. 0.24, current flows left to right
b. 0.24, current flows right to left
c. 0.41, current flows tight to left
d. 0.65, current flows left to right
e. 0.65, current flows right to left
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