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name any three magnetic materials that we may have come across in our day to day
eager to impress marge homer decides to take up figure skating he begins his spin with his leg and arms extended
a solid sphere i 2mr25 rolls without slipping down a plane inclined at 29relative to horizontal what type offriction
a modern sculpture has a large horizontal spring with a spring constant of 275 nm that is attached to a 530-kg piece of
a ball is thrown at 12 ms from a 15-m tall tower what is the speed of the ball just before it hits the ground if a air
for a base current of 10 mua what is the value of collector current in common emitter if betadc
which of the following oscillators is suitable for frequencies in the range of mega
a10 m resistor is connected in series with a 1 muf capacitor and a 12 v battery when the circuit is connected the
a proton a neutron qe m 2u and an alpha particle q2e m 4u accelerated through the same potential difference enter a
a wire lies along an x axis from x 0 to x 100m and carries a current of 3 a in the positive x direction it is
an airplane flies due west in the northern hemisphere where the earths magnetic field points downward and to the north
the left side of the manometer is open to the atmosphere 101 times 105 pa and the right side contains a gas with a
the turn ratio of a transformer is 201 if a load of 10omega is connected across the secondary what will be the
a tms transcranial magnetic stimulation device creates very rapidly changing magnetic fields the field near a typical
the magnetic field at the earths surface can vary in response to solar activity during one intense solar storm the
a scalloped hammerhead shark swims at a steady speed of 16 ms with its 86-cm-wide head perpendicular to the earths 60
in feedback amplifier the closed loop gain is nearly independent of open loop gain and depends only on the feedback
a 49-m-wide swimming pool is filled to the top the bottom of the pool becomes completely shaded in the afternoon when
a 050-mm-wide slit is illuminated by light of wavelength 500 nmif the index of refraction of the coating is 138 what
the human eye can readily detect wavelengths from about 400 nm to 700 nmif white light illuminates a diffraction
a circuit is fed by two sources of the same frequency and values 100 ang0deg v and 20 ang30degv the current in a
what is the potential difference across a 14 mh inductor if the current through the inductor drops from 150 ma to 100
what is the size of net force on an object that has 6n offorce pulling upward and 12n pulling
consider the combination of capacitors shown in the diagram are all with the same capacitance of 200 muf each what is
what type of device consists of a coil with a moveable iron