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Q. Define wireless communications?
The latest wireless communications technology is the personal satellite phone. The coverage is planetary and one can reach anywhere on earth. Examples include the Iridium satellite handset developed byMotorola and others fromthe Teledesic constellation. Special requirements, such as sending and receiving data or faxes, can be handled by the new handheld computer-and-mobile- phone hybrids such as Nokia's 9000i and the Ericsson DI27. Mobile phones with aWeb browser capability are also available. We have yet to see the more exciting new developments in the telecommunications industry with computers, networking, and wireless technology.
what is the disadvantages of superposition theorem?
Electromagnetic torque The torque is given by the force on the armature winding multiplied by its radius. Force on a conductor in magnetic field B is: F=B.I.L so, T=B
Consider a three-phase induction motor with a normal torque-speed characteristic. Neglecting the effects of stator resistance and leakage reactance, discuss the approximate effect
Q. Discuss the closed-loop behavior? Consider an elementary feedback control system, as shown in Figure, with H = 1. The output variable c and the input e to the direct transmi
Q. For the low-pass filter configuration of Figure, with R i = R f = 1M, calculate C f such that the 3-dB point is at 1 kHz.
Registers A resister is a group of flip flops or binary cells which holds the binary information. Since a binary cell stores one bit of information an n bit regis
Q. Can you explain Octal to Binary Conversion? It is also simple to convert from an integer octal number to binary. This is completed by: Convert the decimal number
Q. A rectangular loop is placed in the field of an infinitely long straight conductor carrying a current of I amperes, as shown in Figure. Find an expression for the total
Nodal analysis procedure: 1. Verify the number of common nodes and reference node within the network. 2. Assign current and its direction to every distinct branch of the n
A 0.1µF capacitor is charged to 200 V before being connected across a 4 kΩ resistor. Determine: (a) The initial discharge current (b) The time constant of the circuit
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