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A moving coil galvanometer consists of a coil in a uniform magnetic field Bo, suspended fro a fibre of torque constant C, current I produces a deflection O=nABoi/c where n is the number of turns and A is the area of the coil. The period of oscillation T=2?(I/C)1/2 where I is the moment of inertia. The resistance of the coil and the circuit in which it is placed is adjusted to give a critical dumping Rc=n2 A2Bo2/2(ic)1/2 . if the minimum detectable current produces deflection equal to thermal -root mean square value O, show that minimum current is given by
imin =( ?KT/ TRc)1/2
how does it work explain with figure?
Q. Two 1150:115-V transformers are to be inter connected for (a) 2300:230-V operation, and (b) 1150:230-V operation. Show the interconnections and appropriate polarity markings.
Cellular telecommunication sector - Software Defined Radio As of now, every cell phone transmits and receives information through a speci?c standard. If we have to change the s
what happens when we apply DC supply to transformer primary
Q. Three waveforms seen on an oscilloscope are shown in Figure. If the horizontal scale is set to 50 ms per division (500 ms for the entire screen width), and the vertical scale is
Risers: Riser Design : A riser or a feeder head is a passage of sand made in the cope to permit the molten metal to rise above the highest point in the casting after the mou
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Design a logic circuit when to provide an output when any two or three of four switches are closed.
ubmission Deadline: Wednesday, July 7, 2021 Assignment 2 EE5543 - Satellite Communication Question 1: MEASAT-1 is located at 91.5 o E and operating at the base frequency of 10.982
importance of dummy coils and equalizer connections
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