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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
Assume that an abrupt Si p-n junction with area 10-4 cm2 has NA=10 17 /cm 3 and ND=10 17 /cm 3 is working at room temperature. It is given that μ n = 700 cm 2 /v-s, μ P =250 cm
Switching Characteristics Switching characteristics are also know as dynamic or transient characteristics these characteristics give the information about the time varia
Prepare the assembly code to make a Digital Volt Meter that shows the message and the correct voltage on the LCD. Once you managed to display the hex value for the conversion you w
Question a) Explain, with the aid of diagrams, the differences between the Princeton and Harvard microprocessor architectures. b) Describe why the principle of locality of r
Name the special functions registers available in 8051. Accumulator B Register Program Status Word. Stack Pointer. Data Pointer. Port 0 Port 1 Port 2 Po
is electrical power more important in the world than other streams?
Define the operation of real mode interrupt. Operation of Real mode interrupt: While the microprocessor completes executing the current instruction, this determines whether a
Q. What is thermal runaway. The problem of self heating arises due to dissipation of power at the collector junction. The leakage current ICBO is extremely temperature dependen
What is interrupt service routine? Interrupt means to break the sequence of operation. Whereas the CPU is executing a program an interrupt breaks the normal sequence of impleme
With neat diagram indicate how a simple NAND gate decoder is used to select a 2716 EPROM memory component for memory locations FF800H-FFFFFH. Simple NAND gate Decoder: As the 2
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