A vacuum cleaner is plugged into a 1200-v socket and uses
A vacuum cleaner is plugged into a 120.0-V socket and uses 4.4 A ofcurrent in normal operation when the back emf generated by the electric motor is 77.8 V. Find the coil resistance of the motor.
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two resistors r1100 ohms and r2 200 ohms are connected inparallel across a battery the current through r1 is 0150
a pulley of 50cm radius on a motor is turning at 30 revsand slows down uniformly to 20 revs in 20s calculatea the
the chemical 5-amino-23-dihydro-14-phthalazinedione better known as luminol is used by forensic scientists in analyzing
a sce and an indicator electrode were connected to a voltmeter all conditions were standard the observed cell emf at 25
a vacuum cleaner is plugged into a 1200-v socket and uses 44 a ofcurrent in normal operation when the back emf
a sled which has amass of m125kg is sitting on an icyhorizontal surface a rope attached to the front end of the
a weather balloon has a volume of 750 l when filled with helium at 8 degrees c at a pressure of 380 torr what is the
a fan turns at a rate of 900 rpm ie revmina find the angular speed of any point on one of the fan bladesb find the
analyze how a specific discourse circulates through society and makes its way into a shakespeare playchoose a
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