AL Galaxies

The Subject is Electromagnetic II .

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What can be the observations regarding frequency in this waveform? What is the frequency in this waveform? Explain how.

Caculate the time for 21(Tau) in (milliseconds) for the following RC Circuit. Assume switch is closed and capacitor is in a charge state. t=0 LE -10 V R1 1kQ C1 1uF

#2 A capacitor with a capacitance of 4.023567436209E-10 pF is a parallel-plate capacitor. Each plate has an area of 0.0935m ^ 2 and a dielectric thickness of 0.0823 m. How many parallel sections are there if the dielectric constant of the material is 8?

The main purpose of an oscilloscope is to graph an electrical signal as it varies over time. Most scopes produce a two-dimensional graph with time on the x-axis and voltage on the y-axis. The voltage waveform on the screen looks as shown in the figure below. Here, the vertical resolution of the oscilloscope is set up to be 2 mV/division and the horizontal resolution is 2 ms/division. Time 1. Determine the peak-to-peak amplitude of the wave. Voltage

:40 1. Find the Meller coefficients for the crystal plane that intersects the axes (2) (231)

In the transverse electromagnetic ,TEM mode Ez = 0, Hz 70 O Ez # 0, Hz = 0 O Ez = 0, Hz =0 O none O When circular right hand polarized wave incident upon a circular right hand polarized wave the PLF is .......... 1.2 O 0.5 O 0.707 O 1 O 0 O

1- A capacitor of parallel plates has a dielectric material of relative permittivity of 1.9 and the distance between the plates is 2.5X10° m. If the spacing is changed to 3.5 mm and the capacitance is to be unchanged, what is dielectric constant of a new material have to be replaced.

Q1(a) Analyze the polar form of this waveform in Figure Q1(a). 310⁰ Figure Q1(a) et

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Is x[n] = ein2n/3+e/n374 periodic? If it is periodic, what's its fundamental period? %3D

Electromagnetic fields and waves

If the resistors used for charging and discharging were the same, the charging anddischarging waveform would be ________.a. Symmetricalb. Nonsymmetrical

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Inductance is often described as . (circle all that apply) The ability of a component to oppose a change in current The relationship between magnetism and current The ability of a component to store energy in an electromagnetic field The ability of a component to oppose a change in voltage

Q(a) Analyze the polar form of this waveform in Figure Q1(a). 60 + ot 310° Figure Q1(a)

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a) frid Dans for This periodie wave form Vo(k) b) find the porer burned in the load Re <) 2k=Rm c) Change the value of R to maximize P

A plane wave of frequency 100 KHz propagates in a copper alloy. The magnetic permeability of the alloy is that of free space. The wavelength within the alloy is also known to be 0.5 millimeters. What would be the corresponding conductivity of this alloy in (Siemens / meter)   Please answer within 1 hour.I will upvote.

distance between plate is o 6 Mm and the dielectric 3.The capacitor having a plate area of o.lm the air.w hich of the fallowing is the capacitance of capacitor.

Explain why a, a,=a° a a %3D

In a certain media with u = µo, e=4€0, plan wave magnetic field is given by H(y,t) =12e0ly cos(7 x10°t - By Ja, Al m %3D Wave length equals to Non of these 5m 4m 3m

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