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Problem : Find the voltage gain of the circuit shown on the right. Consider the gain for the special cases of
a) R5 → 0
b) R5 → ∞
The rotor of a 4 pole generator is wound with a 100 turn coil. If the flux per pole is 4.5mWb and the rotor turns at a speed of 1800 rpm, determine (a) The frequency of the induced voltage in the rotor.
Design an amplifier circuit which uses an OpAmp and is powered by dual 15 V power supplies, and which has the following characteristic at low frequencies: Vout = 3V1 - 5V2 1. State the information which is extracted from the equation.
Design a low cost white LED based emergency light that turns on when the main supply fails, and turns off when the main supply resumes. The circuit must have its own battery charger. When the battery is fully charged, charging stops automatically.
A sheet of plywood 1.39 cm thick is used to make a cabinet door 55.5 cm wide by 69.5 cm tall, with hinges mounted on the vertical edge. A small 181-g handle is mounted 45 cm from the lower hinge at the same height as that hinge.
is it better to have several small wires conducting electricity or one big wire of the same cross section or better
question 1. surface integral for jet engine. the air-gas exhaust velocity from a jet engine varies linearly from a
Give three advantages of a three-phase system over a single-phase system There are two basic three-phase connections, the wye connection and the delta connection. Draw a labelled diagram showing the wye connection
The system uses a 7-cell reuse pattern. If the offered traffic per user is 0.03 Erlangs and the average number of calls per hour per user is 1.5, for an Erlang-C system with a probability of delaying a call being 5%, calculate the traffic load per..
Derive the expression for the equilibrium concentration of holes/cm^3 in the valence band, p0, starting with the density of states in the valence band and the Fermi-Dirac distribution.
Derive the state space quation of a DC motor with supply voltage and load torque as inputs and armature current, angular speed as outputs.
Write an assembly program that converts a string with four characters into an unsigned 16-bit integer. For example, a string "A23F" should be converted into an unsigned integer. Assume that the input string consists of only valid characters (0,... ..
a 220v shunt motor driving its normal load draws an armature current of 50A. The armature resistance is 0.25ohm. determine the armature current it will draw when connected to 200V source while maintaining the armature speed and the flux per pole.
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