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a circular loop in the plane of a paper lies in a 085 t magnetic field pointing into the paper the loops diameter
a long solenoid that has 1150 turns uniformly distributed over a length of 0410 meter produces a magnetic field of
a wire carries a current of 13 amp in a direction that makes an angle of 38 degree with the direction of a magnetic
a singly charged positive ion has a mass of 234 x 10-26 kilogram after being accelerated through a potential difference
a lightning bolt may carry a current of 100 x 104 amp for a short time determine what is the resulting magnetic field
a assume a meter stick made of steel and one made of invar are the same length at 0degc find what is their difference
neutron stars consist only of neutrons and have unbelievably high densities a typical mass and radius for a neutron
a housing attached to a microprocessor uses radiator fins to get rid of excess heat if the largest amount of radiation
determine the ratio of the resistance of 15 meter of aluminum wire 25 millimeter in diameter to 20 meter of copper wire
an oscillating dipole antenna 160 meter long with a maximum 40 mv potential creates a 500 hertz electromagnetic wavea
a light ray in water n133 is incident upon the air-water boundary at 30o calculate the angle of the ray in the
an electron initially moving at 2 x 106 meter per second is accelerated through a potential difference of 15 volt
the magnetic field associated with an electromagnetic wave has an amplitude of 13 microt evaluate what is the intensity
the half-life of a radioactive sample containing 360 x 1012 atoms is 126 minute find how many atoms of the sample
a concave spherical mirror with focal length of 60 centimeter has a 10 centimeter pencil located perpendicular to the
a beam of monochromatic light has a wavelength of 650 nanometer in a vacuum assume c300e8 ms and n147 in a liquid for
an alien spaceship fires a high energy beam of photons at a rebel base relative to an observer on the base the alien
a speaker generating a tone at 348 hertz is stationary a person is moving toward the speaker with a speed of 32 meter
the middle c string on a piano is under a tension of 986 newton the period and wavelength of a wave on this string are
the peak value of the electric field component of an electromagnetic wave is e at a particular instant the intensity of
a church organ pipe will sound a note at 359 hertz when the ambient temperature is 207degc if the air-conditioning
an organ pipe is 146 meter longa find the first harmonic frequency of this pipe when it is open at both endsb find the
a speaker generating a tone at 275 hertz a person is moving toward the speaker with a speed of 49 meter per second the
a 126 microf isolated capacitor is constructed with teflon having a dielectric constant of 21 between the plates the