User Account

All Pages

Dynamic microphone changes sound into an electrical signal

Assignment Help Electrical Engineering
Reference no: EM13492686

Question 1.

A dynamic microphone changes sound into an electrical signal using
A) Carbon granule movement inside of a magnetic field.
B) Capacitive effects of a moving plate.
C) A moving coil inside a magnetic field.
D) Piezoelectric effects.

Question 2.

What is the magnetic equivalent to electrical voltage?

A) Magnetic field B) Reluctance
C) Flux D) Magnetomotive force

PROBLEMS.When solving the problems of this exam, you must show all your work in order to receive any credit. Write your answers in the boxes when provided. Writing only the answers will result in no credit being given. Each problem is worth 15 points.

Problem 1: Determine the Thevenin Equivalent circuit as seen from terminals A and B in the sketch:

573_What is the magnetic equivalent to electrical voltage.png

Rth

Vth

Problem 2: Using the Superposition theorem, determine the current through the resistance R1 and the voltage across the resistor R3 in the below sketch:

228_What is the magnetic equivalent to electrical voltage1.png


IR1

VR3

Problem 3: Apply Mesh Analysis to calculate the current flowing through Resistor R2 in the below sketch:

1504_What is the magnetic equivalent to electrical voltage2.png

IR2 =

Problem 4: Use Nodal Analysis to calculate the voltages VA and VB in the sketch below:

845_What is the magnetic equivalent to electrical voltage2.png


VA

VB
 
Problem 5: Find the equivalent capacitance as seen from Terminals A-B in the sketch below:

2450_What is the magnetic equivalent to electrical voltage4.png

Ceq =

Problem 6: Assuming steady-state conditions, find the current through inductor L2 and the voltage across capacitor C1 in the circuit shown below:

1577_What is the magnetic equivalent to electrical voltage5.png

IL2

VC1

Reference no: EM13492686

Questions Cloud

Determine the intensity of the transmitted light : Vertically polarized light with an intensity of 0.40 W/m2 passes through a polarizer whose transmission axis is at an angle of 55 degrees with the vertical
What is the debt-to-assets ratio : What is the debt-to-assets ratio
What is the final strength of the field : In 0.2s, a coil of die with 50 loops experiences an average induced emf of 9v due to a changing magnetic field perpendicular to the plane of the coil. what is the final strength of the field
At which frequency will swing up and down the bottle : A wooden block with mass of 55 grams is floating in a pool, ranging up and down in simple harmonic motion of frequency of 3.00 Hz. At which frequency will swing up and down the bottle
Dynamic microphone changes sound into an electrical signal : Dynamic microphone changes sound into an electrical signal - Determine the Thevenin Equivalent circuit as seen from terminals A and B in the sketch
Starsky is an internal auditor : Starsky is an internal auditor and the lead on the company's fraud risk assessment
How far below release point is center of mass of two stones : A stone is dropped at t = 0. A second stone, with 6 times the mass of the first, How far below the release point is the center of mass of the two stones at t = 340 ms
Explain copper crystallizes in a face centered cubis lattice : Copper crystallizes in a face centered cubis lattice. If the edge of the unit cell is 351pm, what is the radius of the copper atom
Compute and label cogs and ending inventory for fifo : Compute and label COGS and Ending Inventory for FIFO, LIFO and average cost.

Reviews

Write a Review

Electrical Engineering Questions & Answers

  What is the frequency for a periodic signal with a period

What is the frequency for a periodic signal with a period of 2.5 ns 2.5 GHz 250 MHz 4.0 GHZ 400 MHz 2. Which decimal number is equivalent to 25 10 25 31 32 3. Convert the following decimal negative numbers to their 8-bit, 2's complement formulatio..

  Find permeance of p11-p12-p22-p21 in nano-webersper amp

Two magnetically-coupled coils are wrapped around a mutualnon-magnetic material. The coefficient of coupling betweenthe coils is 0.388. L1 has 500 turns and a value of 23.75mH while L2 has700 turns and a value of13.70mH.

  Calculate ni and the concentration of electrons and holes

An unknown semiconductor has Eg = 1.1 eV and Nc = Nv. It is doped with 10^15 cm^-3 donors where the donor level is 0.2 eV below Ec. Given that Ef is 0.25 eV below Ec, calculate ni and the concentration of electrons and holes in the semiconductor a..

  What physical address will a code byte be fethed from

a) the code segment for an 8086 program starts at address70400H, what number will be in the CS register b) assuming this same code segment base, what physical address will a code byte be fethed from if the instruction pointer contains539CH

  Explain relationship between air speed and deflection

The deflection of a pressure sensing diaphragm under large deflection conditions is non-linear with respect to the pressure difference across the diaphragm. using this feature to advantage, discuss how a linear relationship between air speed

  Determine input impedance and magnitude of the load voltage

A lossless transmission line with a characteristic impedance of 75 ohms is terminated by a load of 120 ohms. The length of line is 1.25 lamda. If the line is energized by a source of 100 V (rms) with an internal impedance of 50 ohms

  Calculate the maximum electric filed inside the junction

A uniformly doped abrupt pn junction (step junction) diode is fabricated. At room temperature 25% of the total space charge region (depletion region) is in the p-region. The built in potential is also measured to be 0.710V.

  What are the minimum frequency step increment

A PLL frequency synthesizer has a variable -modulus prescaler of M=10/11 and divider ratios of the A and N COUNTERS OF 40 and 260. the reference frequency is 50khz. what are the VCO OUT PUT FREQUENCY and the minimum frequency step increment

  How much energy is delivered to the circuit element

The voltage and current at the terminals of the circuit element are zero for t

  Determine the time-dependent voltage and current at the load

A 200-MHz voltage source with output Vg = 200 V 0 and internal impedance of 100 Ω is connected to the input of the line. Determine the time-dependent voltage and current at the load, and the average power delivered to the load.

  Draw the sympol and truth table of the gate

draw the sympol and truth table of the gate that corresponds to the action of the logic gate.

  What is electric field at the position of the second charge

A particle with a charge of +5.5*10^-6 C sets up an electric filed. A second particle with a charge of -3.0*10^-6 C is moved to a point 4.2 m a way from the first charge. what is the electric field at the position of the second charge

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd