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primary coil of a 1000 watt 120 volt to 220 volt set-up transformers has 400 turns determine number of turns in the
a find what is the intensity in wm2 of a laser beam used to burn away cancerous tissue that when 90 percent absorbed
determine total work to be done in order to push a 20 x 20 cm2 square conductive frame into magnetic field of 03 t
two 10 meter parallel wires are located at a distance 04 meter and carry 20 amp current in opposite directions evaluate
an electron is in circular motion of a diameter 20 microns and speed 2 x 104 meter per second while in a magnetic field
a 2 meter straight wire carrying 5amp current runs at an angle of 30o above the horizontal and experiences 8 newton
a cosmic ray electron moves at 775 x 106 meter per second perpendicular to the earths magnetic field at an altitude
a 2294 kilogram sample of water at 0oc is cooled at -36oc and freezes in the process determine how much heat is
a solenoid with 1200 turns per meter has a diameter of 8 centimeter a current i 260 amp flows in the counterclockwise
a 57 meter length of insulated copper wire is wound to form a solenoid of radius 23 centimeter the copper wire has a
a 12 volt battery remains connected to a parallel plate capacitor with a plate area of 0294 m2 and a plate separation
a uniform 5 kilogram ladder is leaning against a frictionless vertical wall with which it makes a 15 degree angle the
in preparation for building a space station an astronaut removes a self-telescoping uniform rod from the cargo bay and
a student notes that the length of a 12-inch long ruler held by her teacher who is moving relative to her is the same
a parallel plate capacitor has a plate area of 0815 m2 and a plate separation of 205 millimeter explain what is its
a capacitor is first connected to a 6 volt battery and then disconnected and connected to a 12 volt battery explain how
if the radius of the equipotential surface of a point charge is 225 meter and is at a potential of 200kv compared to
an electron is accelerated by a uniform electric field 1600 vm pointing vertically upward use newtons laws to obtain
in a model ac generator a 502 turn rectangular coil 8 centimeter by 20 cm rotates at 123 rpm in a uniform magnetic
a swarm of bees flew through a field of static electricity and each became charged to a magnitude of 35 microc they fly
find what is the angle of refraction of a light ray traveling in water n 133 entering benzene n 150 at 21o from the
a light ray traveling in air enters diamond with an angle of incidence of 35o the refracted angle inside the diamond is
a microscope has an objective lens with a focal length of 14 millimeter a small object is located 080 millimeter beyond
an electron is accelerated by a uniform electric field 1600 vm pointing vertically upwarda find the direction of