EBK PRINCIPLES OF ELECTRIC CIRCUITS
10th Edition
ISBN: 9780134880068
Author: Buchla
Publisher: VST
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Q.1. choose the appropriate answer
1- When neither E nor H field is transverse to the direction of wave propagation. They are sometimes
referred to as ......
a) hybrid mode
b) TM mode
c) TME modes
d) TEM mode
2- If PLF-0 dB means.........
a) Power is lost 100%
b) Power is lost 0%
c) Power is lost 50%
d) none of the above
3. The half wave dipole is widely used in more applications compared to other linear antenna lengths,
that is because.....
a) It has high gain
b) its easy matching to coaxial 75 Ohm cable
c) low loss
d) it has small size
4- The mode distribution for the end view waveguide shown below is
a) TM12
b) TM21
c) TE20
end view
d) TE02
5. When circular right hand polarized wave incident upon a horizontally polarized wave the PLF is
a) 0
b)1
c)0.5
d)0.707
a- Single phase transmission line as in the figure below with the radius of the
conductor is 0.5 cm, find the inductance of the total system.
4m
4m
ao
A
B
ob
od
3m
6m
Please don't use ai to answer I will report you answer
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.Similar questions
- A 3-phase, 4-wire distributor supplies a balanced voltage of 400/230 V to a load consisting of 8 A at p.f. 0-7 lagging for R-phase, 10 A at p.f. 0-8 leading for Y phase and 12 A at unity p.f. for B phase. The resistance of each line conductor is 0.4 2. The reactance of neutral is 0.2 2. Calculate the neutral current, the supply voltage for R phase and draw the phasor diagram. The phase sequence is RYB. IN ER VR Refarrow_forwardA 3-phase, 4-wire distributor supplies a balanced voltage of 400/230 V to a load consisting of 50 A at p.f. 0-866 lagging for R-phase, 30 A at p.f. 0-866 leading for Y phase and 30 A at unity pf. for B phase. The resistance of each line conductor is 0-2 Q. The area of X-section of neutral is half of any line conductor: Calculate the supply end voltage for R phase. The phase sequence is RYB.arrow_forward- A 3-phase, 4-wire distributor supplies a balanced voltage of 400/230 V to a load consisting of 8 A at p.f. 0.7 lagging for R-phase, 10 A at p.f. 0-8 leading for Y phase and 12 A at unity p.f. for B phase. The resistance of each line conductor is 0.4 2. The reactance of neutral is 0.2 2. Calculate the neutral current, the supply voltage for R phase and draw the phasor diagram. The phase sequence is RYB.arrow_forward
- Please show all the steps!arrow_forwardPlease show all the steps!arrow_forward10-3) similar to Lathi & Ding, Prob. P.6.3-7 The Fourier transform P(f) of a the basic pulse p(t) used in a certain binary communication is shown in the figure below: P(f) 1 0.5 0 f₁ = 0.8 √₂ = 1.2 f, MHz (a) From the shape of P(f), explain at what pulse rate this pulse would satisfy Nyquist's first criterion. (b) Assuming that the pulse is a raised-cosine pulse, find its rolloff factor. (c) Find p(t) and verify that this pulse satisfies Nyquist's first criterion in the time domain. (d) Show how rapidly the pulse decays as a function of t, (i.e., what power of t does the envelope obey for large time values).arrow_forward
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