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Q. What is the need of MODEM in data communication?
Need of Modem: Modems are used to interface computers, computer networks in addition to other terminal equipment to telecommunication lines and radio channels. The word "Modem" is a contraction derived from words modulator anddemodulator. Modems at the transmitting station changes digital output from the computer or other data terminal equipment to a form that can be easily sent via a communication circuit whereas the receiving modem reverse the process. Modems differ in rate of data transmission, modulation methods and bandwidth and standards have been developed to provide compatibility between different manufacturers' equipment and systems.
Series circuit Total resistance, R T = R1 + R2 + R3 The current I is the same in all parts of the circuit , I = I 1 = I 2 = I 3 The voltage drop at each resistor, V1,
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Q For the circuit of Figure: (a) Find an expression for the power absorbed by the load as a function of R . (b) Plot the power dissipated by the load as a function of th
The distribution transformer is supplying a load at 240 V and 0.8 power factor lagging. The open-circuit and short-circuit test data are given in Example. (a) Determine the frac
main differnce of frequence analysi method
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Using the approximate equivalent circuit in which the shunt branch is moved to the stator in put terminals, show that the rotor current, torque, and electro magnetic power of a pol
Q. Define the spectral resolution of satellite? Spectral resolution : The sensitivity to different features of earth is the most important aspects considered in the spectral
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