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a solenoid of radius 16 cm has 351 turns and a length of 10 cmthe permeability of a free space is 125664 times 106 v
a metal strip 626 cm long 0830 cm wide and 0712 mm thick moves with constant velocity through a uniform magnetic field
an electron of mass 911x10-31 kg has an initial speed of 300x105 ms it travels in a straight line and its speed
the secondary voltage of an ignition transformer in a furnace is 145 kv when the primary operates at an rms voltage of
an alternating source drives a series rlc circuit with an emf amplitude of 607 v at a phase angle of 333deg when the
a man holds a double-sided spherical mirror so that he is looking directly into its convex surface 35 cm from his face
a flat coil of wire is used with an lc-tuned circuit as a receiving antenna the coil has a radius of 037 m and consists
consider the scond hand on a clock which is smoothly rotating does it have linear velocity at the tip does it have
two particles are in a uniform electric field whose value is 2500 nc the mass and charge of particle 1 are m1 120 x
what supplies the force to keep an object in circular motion for a car on a turn a ball on a string twirled in a circle
light shines through a single slit whose width is 58 x 10-4 m a diffraction pattern is formed on a flat screen located
in a single-slit diffraction pattern the central fringe is 420 times as wide as the slit the screen is 17000 times
two identical boxcars m 15730 kg are traveling along the same track but in opposite directions both boxcars have a
the light shining on a diffraction grating has a wavelength of 490 nm in vacuum the grating produces a second-order
three and only three bright fringes can be seen on either side of the central maximum when a grating is illuminated
three identical resistors with resistances of 60w are connected to a batter with an emf of 180v and zero internal
a patient is undergoing open-heart surgery a sustained current as small as 25mua can be fatal assume that the heart has
the amount of charge that passes through the filament of a certain lightbulb in 200 s is 167ca find the current in the
the electron and proton of a hydrogen atom are separated by a distance of 5310-11m find the magnitudes of the electric
a spaceship moving away from earth at 067 c fires a particle beam toward earth with speed 074 c relative to the ship at
a piece of copper wire is formed into a single circular loop of radius 12 cm a magnetic field is oriented parallel to
a square coil of wire of side 300 cm is placed in a uniform magnetic field of magnitude 250 t directed into the page as
a bimetalic strip consists of a thinstip of brass alphabrass19x106co-1 riveted to a thin strip of steel
a vertical solid-steel post 260 cm in diameter and 253 m long is required to support a load of 8200 kg you may ignore