410 Answered Questions for the topic electrical engineering

Electrical Engineering Electronic Components

04/25/22

How to know specifications for a thermistor tagged as 050?

I have a thermistor tagged 050, didn't find datasheet for it except as NTC. How can i know the exact specifications for it in order to replace it?
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04/21/22

Worker Health and Occupational Safety
List the responsibilities of engineers concerning occupational safety and health. Explain the legal responsibility of the engineer for different countries in detail, compare them, and support your... more
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Electrical Engineering Math

04/21/22

EDA STATISTICS (QUESTION)
A random sample of 40 college students has mean annual earnings of $3,245 and a standard deviation of $567. Construct a 99% confidence interval for the population. (Answer in 1 decimal place. The... more
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Electrical Engineering Physics

04/10/22

In the figure the current in resistance 6 is i6 = 1.48 A and the resistances are R1 = R2 = R3 = 1.85 Ω, R4 = 15.3 Ω, R5 = 8.11 Ω, and R6 = 3.88 Ω. What is the emf of the ideal battery?
In the figure the current in resistance 6 is i6 = 1.48 A and the resistances are R1 = R2 = R3 = 1.85 Ω, R4 = 15.3 Ω, R5 = 8.11 Ω, and R6 = 3.88 Ω. What is the emf of the ideal battery? 3... more
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Electrical Engineering Physics

04/10/22

When resistors 1 and 2 are connected in series, the equivalent resistance is 14.0 Ω.
When resistors 1 and 2 are connected in series, the equivalent resistance is 14.0 Ω. When they are connected in parallel, the equivalent resistance is 2.62 Ω. What are (a) the smaller resistance... more
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Electrical Engineering Physics

04/10/22

The figure shows an electric dipole. What is the magnitude of the dipole's electric field at point P? Assume that q = 3.34 × 10-6 C, d = 3.10 × 10-6 m, and r = 3.12 cm.
The figure shows an electric dipole. What is the magnitude of the dipole's electric field at point P? Assume that q = 3.34 × 10-6 C, d = 3.10 × 10-6 m, and r = 3.12 cm.
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Electrical Engineering Physics

04/10/22

At what coordinate on the x axis is the electric field produced by the particles equal to zero?
Two particles are fixed to an x axis: particle 1 of charge q1 = 2.18 × 10-8 C at x = 17.0 cm and particle 2 of charge q2 = -4.41q1 at x = 78.0 cm. At what coordinate on the x axis is the electric... more
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Electrical Engineering Physics

04/10/22

In the figure particle 1 (of charge +1.43 mC), particle 2 (of charge +1.43 mC), and particle 3 (of charge Q) form an equilateral triangle of edge length a.
In the figure particle 1 (of charge +1.43 mC), particle 2 (of charge +1.43 mC), and particle 3 (of charge Q) form an equilateral triangle of edge length a. For what value of Q (both sign and... more
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04/07/22

Microinstructions code phrases.
Suppose you come across the following binary microinstructions in the format described in class.  Describe the micro-operations that each one executes. Write the phrases for each.1.    0001 0001... more
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04/07/22

microinstructions
Give the binary microinstruction corresponding to each of the following sets of micro-operations. should be 32 bits for each. Increment SP by 1. Store the results back in the SP. Load the... more
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Electrical Engineering Chemistry Biochemistry Ap Chem

04/03/22

AP chemistry electrochemistry Galvanic cell
A galvanic cell consists of a silver electrode inserted into a 1.0 M AgNO3 solution connected through a salt bridge and an external circuit to a nickel electrode inserted in a 1.0 M Ni(NO3)2... more
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Electrical Engineering Imaginary Numbers

03/28/22

X = 3ej0.2π + 8ej0.8π
Determine the imaginary portion of the complex number, X.X = 3ej0.2π + 8ej0.8π
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Electrical Engineering

03/10/22

Derivation of expressions
Derive an expression for the instantaneous current, instantaneous power and average power drawn by a pure inductive circuit on application of a sinusoidal voltage and show that the current lags... more
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Electrical Engineering Math Mathematics

03/10/22

use laplace transform method to solve initial value problems
y'' - 3y' - 4y =3 sin t , y(0) =y'(0) = 0
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02/28/22

A chemist prepares a solution of nickel(II) chloride NiCl2  by measuring out 79.2μmol  of nickel(II) chloride into a 400 mL  volumetric flask and filling the flask to the mark with water.
Calculate the concentration in m/molL of the chemist's nickel(II) chloride solution. Round your answer to 3 significant digits.
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Electrical Engineering Physics Electric Currents

02/28/22

Quick Questions for General Physics

In using an ammeter, it should be connected in series to the component to be measured. Explain why should the resistance of the ammeter must be equal to zero. In using voltmeter, it should be... more
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Electrical Engineering Math Calculus Linear Algebra

02/21/22

Help with simple math matrix, calculus
Hi I need some help with simple math questions:)Find a basis for the column space K, the row space R and the zero space N (the solution set of A ~ x = ~ 0) for the matrixgiven the matrix 1 ... more
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Electrical Engineering Math Calculus Linear Algebra

02/21/22

Help, math, matrix, calculus
Hi, I need some help with simple mathematics, matrixGiven the matrix 6 -2 *B = * 6 -1 -1 * 5a) Find the missing coefficients in the matrix B so that it becomes... more
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Electrical Engineering Math Calculus Linear Algebra

02/21/22

Math, linear algebra, electrical engineer, matrix
Hi, I need some help with matrix equationsWe will look at a mouse that can move freely between two rooms A and B. If the mouse was most onroom A in the course of one day, it will be most in room B... more
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Electrical Engineering Math Calculus Linear Algebra

02/21/22

Math, linear algebra, electrical engineer
Hi, I need some help with some mathematical problems.Question 1.A line segment PQ have the coordinates P=[1,3] and Q=[4,3]. The new transformed line segment P'Q' emerges by reflecting PQ around the... more
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Electrical Engineering Math Physics

02/17/22

Physics, need help. simple physics
A boat is closing in to dock at 45.0 cm/s, there is something wrong with the engine, so it can´t stop by itself. The solution is to throw special equipment to the boat before it hits land. The... more
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Electrical Engineering Math Physics

02/17/22

physics, simple equations. Help
Task 1.Velocity to a particle is shown quadratic with the time (t)v(t)=1/2 Bt^2 (B is for beta) a) What is the acceleration, and the Equation for the distance made by time?b) Lets say B = 2 m/s^3.... more
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Electrical Engineering Calculus Chemistry Precalculus

02/13/22

A chemist prepares a solution of silver(II) oxide (AgO) by measuring out 0.00339 μmol of silver(II) oxide into a 450. mL volumetric flask and filling the flask to the mark with water.
Calculate the concentration in mmol/L of the chemist's silver(II) oxide solution. Round your answer to 3 significant digits.= ____ mmol / L
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Electrical Engineering Science Physics

02/07/22

When someone experiences an electric shock of both hands gripping a 230 v lamp, how is electricity moving through the person and what causes the shock to stop, the lamp to finally drop?

While in Italy I grabbed a metal hotel lamp by its base with two hands. When trying to move the lamp, my hands latched down and I was involuntarily walking across the room trying to drop the lamp,... more
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Electrical Engineering Calculus Chemistry Precalculus

02/06/22

Gaseous butane (CH3(CH2)2 CH3) reacts with gaseous oxygen gas (O2) to produce gaseous carbon dioxide (CO2) and gaseous water (H2O).

If 18.5g of water is produced from the reaction of 34.3g of butane and 87.1g of oxygen gas, calculate the percent yield of water. Round your answer to 3 significant figures.= _____ %
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