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A circuit contains a known resistance of 2.4 kO, and an unknown inductance.
a) When a 12-V battery is connected, what is the current in the circuit a long time after the switch is closed?
b) If it takes 3.1 ms for the current to reach 95% of this value, what is the inductance in the circuit?
c) At the time given in part b, what is the amount of energy that has been stored in the magnetic field of the inductor?
In a balanced three-phase system the Y-connected impedances are 3∠60°Ω. If V_bc=480∠-75° V, find current of phase "b" in polar form.
a. What is the memory layout of the 16-bit value, 0x7654 in a big-endian 16-bit machine, and a little-endian 16-bit machine b. What would the layouts be in 32-bit machines
Alice passes through four traffic lights on her way to work, and each light is equally likely to be green or red, independent of the others. Let X be the number of red lights that Alice encounters. Let A be the event that the first light is red.
How much stator referred „external? resistance per phase should be connected in the rotor
If you have 16 kibibytes of memory plus a few (less than 10) memory mapped devices (assume that each device uses 16 bytes of address space), what should the address size be
Suppose that a voice signal normally occupies 30 kHz of bandwidth and has a signal-to-noise ratio of 20 dB. Spread-spectrum techniques are used to increase its bandwidth to 2 MHz. (a) What is the signal-to-noise ratio of the spread signal
Design (simulaton, analysis), build and test an op-amp based instrumentation amplifier with the following specifications: (a) Have very high input resistance (minimum is 1 Mega Ohm). (b) Have very high voltage gain (minimum 1000V)
A simple power system consists of a dc generator connected to a load center via a transmission line. The load power is 100kW. The transmission line is 50km copper wire of 3 cm in diameter. If the voltage at the generator terminals is 400V
A 25 MVA, three phase, 13.5kV, Y-connected, two pole, 60 Hz synchronous generator was tested by the open circuit test and short circuit test and tabulated in table 1. If the armature resistance is 0.24 ohms per phase
draw out a schematic that implements a 3-bit XOR gate, but consisting of only 2-bit NAND gates. Your schematic should have from 8-10 NAND gates, but NO other logic function such as OR, AND, INV gates can be in your final design.
What are the transfer function and the impulse response of the system?
Consider a signal x(t) = 10 cos(2pi*fct + 4 cos 2pi*fmt). Assume frequency modulation. The message frequency fm = 2:3 kHz. Calculate the modulation index and find the bandwidth when.
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