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A sinusoidal voltage is generated by an 85 turn coil, of dimensions 20 cm by 16 cm. The coil is rotated at 3000 rev/min, with its longer sides parallel to the faces of a pair of poles. If the flux density produced by the poles is 0.5 T, calculate
(a) the amplitude of the generated emf,
(b) the frequency,
(c) the r.m.s. and average values.
a digital channel is described by 16 QAM, the data rate is 50 Mbps, the bandwidth is 200 MHz, the power is 1 W, and the received noise level is 50 mW. Resolve for SNR, Baud Rate and the Max theoretical bit rate for the channel.
An unknown resistance Rx is connected in series with a 100 ohm resistor and a 120 V power supply. There are 2 values of Rx that will cause this resistance to dissipate 25 Watts of power. Find these 2 resitance values.
Design a second-order Butterworth bandpass filter with the following specifications: Bandwidth:400HzCenter frequency: 2000Hz Determine the transfer function and realize it using the Sallen-Key circuit topology.
Switch the cursor on. You will see two vertical lines on the screen. At the same time a further display window opens in which the chronological position of the two lines is given in figures. Now move the cursor lines, measure instantaneous values,..
(a) What is the condition for matrix A to have inverse Discuss this in terms of rank, determinant, linear dependence of rows and columns of matrix A, singular or non-singular. (b) Show that if A has inverse then AT also has inverse
Determine the minimum value of load resistance so that the voltage gain is not more than 3.0 dB down on the open-circuit value. With this value of load resistance determine the magnitude of the output signal voltage when the input signal is 1.0 mV..
Consider a causal LTI (Linear-time invariant) system described by the following differential equation: \(\frac{d^2}{dt^2}y(t) + 5\frac{d}{dt}y(t) + 6y(t) = \frac{d}{dt}x(t) + x(t)\) a) Determine the transfer function of this system.
Design a 4-bit register with 2 control inputs s1 and s0; 4data inputs I3,I2,I1 and I0; and 4 data outputs Q3,Q2,Q1 and Q1. When s1s0=00, the register maintain its value. When s1s0=01, the register loads I3...I0. When s1s0=10, the register clears i..
a woman at point a on the shore of a circular lake with radius 2 mi wants to arrive at the point c diametrically
A 150 MVA, 24 kV, 123% three-phase synchronous generator operates with an induced voltage that is twice the rated line-to-neutral voltage. Calculate the three-phase steady-state short-circuit current at the generator terminals.
Prove the "Parallellogram law' for two complex numbers z and w - Derive the general solution of the identity
Find the armature current.
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