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Consider the following signals, sketch each one of them and comment on the periodic nature:
(a) x(t) = A cos(2πf0t + θ), where A, f0, and θ are the amplitude, frequency, and phase of the signal.
(b) x(t) = ej(2πf0t+θ) , A> 0.
(c) Unit step signal u-1(t) defined by u-1(t) =
(d) Discrete-time signal x[n] = A cos(2πf0n + θ), where n is an integer.
Q. A current of 65 A is measured with an analog ammeter having a probable error of ±0.5% of full scale of 100 A. Find the maximum probable percentage error in the measurement.
Static Electricity : This is produced when two substances are rubbed together; the substances may be solids, liquids, or gases. Typical sources of static electricity are: i) dr
There are four basic types of sweeps: (a) Free Running or Recurrent Sweep: in the free running or recurrent sweep, the sawtooth waveform is re
Technology Options for Metering Energy meters classically consist of an energy measurement apparatus for measuring energy consumption and a gauge in which is visible outside t
1. Produce a fully-labelled sketch to show the components of a Direct Digital Control system. 2. State the minimum number of printed-circuit cards required to construct a basic co
BLOCK DIAGRAM OF DIGITAL CONTROL OF ELECTRIC DRIVES
can voltage regulation be negative?why?
Assuming that the receiver sends a XOFF signal when the receive buffer is P% full in order to avoid any data or packet loss.
The vehicle batteries shall be owned by the battery service provider. The automobile battery shall be recyclable, environmentally friendly, and safe. The battery service pr
Ask question #Discuss the role of load factor on the cost of electrical energy 100 words accepted#
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