Derived Channel
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القناة الأساسية
@stepbystep001

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If you run a 60 watt light bulb from dusk to dawn for 12 hours, you will consume
Anonymous Quiz
4%
12 watt-hours of energy
6%
72 watt-hours of energy
89%
720 watt-hours of energy
2%
48 watt-hours of energy
is the number of occurrences of a repeating event (cycles) per unit time
Anonymous Quiz
8%
𝜔
87%
𝒇
4%
𝑻
2%
None
If amplitude of 𝑔(𝑡) → 1 as 𝑡 → ∞, we may use
Anonymous Quiz
57%
Power
31%
Energy
12%
bOTH
measured as radian per second
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88%
𝜔
6%
f
6%
T
A signal that has a value at all instances
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95%
Continuous Time signal
5%
Discrete Time signal
A signal is said to be periodic if there exists a positive constant 𝑇0 such that
Anonymous Quiz
17%
𝑔 𝑡 = 𝑔 (𝑡 - 𝑇0 )
65%
𝑔 𝑡 = 𝑔 (𝑡 + 𝑇0 )
12%
𝑔 𝑡 = 𝑔 (𝑡 * 𝑇0 )
7%
𝑔 𝑡 = 𝑔 (𝑡 / 𝑇0 )
Signal Can Be Energy and power in the same time
Anonymous Quiz
13%
T
87%
F
Periodic signals are
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6%
Energy Signal
84%
Power Signal
11%
Both
A sound wave travels at a speed of 339 ms ^ -1 . If its wavelength is 1.5 cm, what will be the frequency of the wave?
Anonymous Quiz
23%
226
10%
2260
54%
22600
13%
226000
The frequency of vibration of a string is 100 Hz. Then its period of vibration is:
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6%
0.1
80%
0.01
3%
10
11%
100
Internet Is collection Of
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22%
LAN
6%
MAN
0%
PAN
72%
WAN
Layer that contains protocols used for process-to-process communications.
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61%
Application
13%
Data link
10%
Network
16%
Transport
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25.2 KB
بص علي دي
Derived Channel
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Determine the suitable measure of the signal.
Anonymous Quiz
12%
2
14%
4
72%
8
2%
16
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26.8 KB
شوف دي الاول