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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
Q. Explain, with the help of structure, the working of UJT? List its applications One of the oddest semiconductor devices in use is the unijunction transistor (UJT). As its nam
Its not essential that a power plant uses only two rectifiers, it depends on the load there at the site and the capacity of the rectifier or SMPS. Assume the load at the site is 12
For the amplifier circuit shown in Figure with R i ≅ ∞,R o ≅ 0,A = 10,R L = 100 , and v in = 1 V, calculate the power dissipated in the amplifier if the voltage at the power-s
Explain SAR instructions in 8086 family with example and their effect on flag. SAR: Shift each bit of operand right through given number of bits, this instruction shifts eve
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Followings are some disadvantage a. Higher latching and holding current b.Higher on state voltage drop and power losses c.Higher gate current d.Higher gat
One battery having of eight cells in parallel. Emf and internal resistance of every cells is 1.5V and 0.4Ω. Find the value of current if an external resistance of 5Ω is connected t
Q. Explain about Common Control Switching System? Common Control Switching System: A functional block diagram of a common control switching system is displayed in Figure. Contr
Linear Equalizer and Decision Feedback Equalizer Simulation and Performance Comparison In this project , performance of decision feedback equalizer is analyzed,
Q. Input bias current of operational amplifier? When operated at extremely low quiescent current values, the base bias currents will be low; but they do have to be taken into c
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