At a given instant the current and self-induced emf in an
At a given instant the current and self-induced emf in an inductor are directed as indicated in the figure. The induced emf is 21 V and the rate of change of the current is 26 kA/s; find the inductance in henrys.
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the steel rails of a continuous straight railroad track are each 60 ft long and are laid with spaces between their ends
if 428 cm of copper wire diameter 136 mm resistivity 169 x 10-8middotm is formed into a circular loop and placed
an aggregate blend is composed of 53 coarse aggregate by weight sp gr 2702 43 fine aggregate sp gr 2621 and 4 filler sp
the inductance of a closely packed coil of 500 turns is 89 mh calculate the magnetic flux through the coil when the
at a given instant the current and self-induced emf in an inductor are directed as indicated in the figure the induced
1it the mean annual runoff of a drainage basin of 10000 km2 is 140 m3s and the average annual precipitation is 105 cm
a long solenoid with 128 turnscm and a radius of 891 cm carries a current of 219 ma a current of 960 a exists in a
the wood specimen is to be loaded in a testing machine until it fails in tension the ultimate normal strength of the
water enters a pipe with a cross sectional area of 30 cm2 with a velocity of 30 ms the water encounters a constriction
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