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Q. In an AM transmitter that transmits a total power of 1 kW, the unmodulated carrier power is 850 W. Compute the required value of (Si /Ni )AM at a receiver, if (S0/N0)AM = 2ηAM(Si /Ni )AM must be 103 for good performance.
Q. Explain Generating mode of rotating machines? The generating mode has mechanical power input and electric power output. The torque T applied externally to the shaft drives t
Examples of attribute data relevant for a power utility: Examples of attribute data relevant for a power utility are given below. • Consumer data such as categor
Define Causal System - Discrete Time Systems? A causal system is one which produces an output only when there is an input. All physical systems are causal. In general, a causal
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. A balanced delta-connected load with a per-phase impedance of 12 + j9 is supplied by a 173-V, 60-Hz three-phase source. (a) Determine the line current, the power factor, th
find current across r3 with two voltage as sources
A feedback control system with the configuration of Figure has the following parameters: K p = 0.5 V/rad, K a = 100 V/V, K m = 2.7 × 10 -4 N·m/V, J = 1.5 × 10 -5 kg·m 2 , and
Define Sampling at a Very High Frequency? By sampling at a very high frequency compared with the signal frequency, we can ensure that we do not miss important information. Anot
Q. What is Induction machines? We shall first consider polyphase induction motors and then single-phase induction motors. The polyphase induction motors used in industrial appl
Tariff Filing Asset-wise details for each business of licensee; Audited accounts and financial statements, including cash flows for the preceding years and monthly bal
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