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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
Calculate the Small Signal Voltage Gain a) Calculate the small signal voltage gain a v = v o /v i , input resistance R i , and output resistance Ro for the circuit below. A
This question is about linear filtering concepts using the built in filtering functions (it is not about edge detection methods). Load the MRI image of Q4 above and perform the
A dc shunt motor runs off a constant 200-V supply. The armaturewinding resistance is 0.4, and the ?eld winding resistance is 100 . When the motor develops rated torque, it draws
Q. Consider two 1-C charges separated by 1 min free space. Show that the force exerted on each is about one million tons.
What do you mean by pipelining in an 8086 processor? The computer is composed of two kinds that operate asynchronously single part called a BIU in the 8086,fetches instruction
Q. Explain Repetitive coverage of satellite? Due to repeated passes of the satellite over the same reach, data is repeatedly acquired. Therefore, comparisons of a dynamic pheno
factors affecting resistance
Q. A 10-kVA, 200:400-V, single-phase transformer gave these test results: • Open-circuit test (LVwinding supplied): 200V, 3.2 A, 450 W • Short-circuit test (HV winding suppli
material to produce analog oscilloscope
Conductors with a temperature rating of 75 degrees C are run in an area with an ambient temperature of 55 degrees C. What would be the de-rating factor that should be applied?
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