410 Answered Questions for the topic electrical engineering

Electrical Engineering Physics Potential Energy General Physics

02/06/22

Electrical Potential Energy and Electric Potential
Please do provide an in-depth step-by-step solution and a final answer on how you solved it... This is my very first time encountering these problems. Thank you so much, in advance.! Two charges,... more
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Electrical Engineering

12/15/21

help please.....
Tell why organizations like IEEE and manufacturers use engineering standards. IE, what are the benefits of establishing and following standards?
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Electrical Engineering Computer Engineering

12/13/21

Logisim and Verilog simulation
Design circuit using standard ICs and draw the circuit diagram indicating the pin numbers for all the connections. Upload the circuit diagram you have drawnGenerate the sequence: 2 – 8 – 4 – 10 –... more
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Electrical Engineering Computer Engineering

12/13/21

Logisim and Verilog simulation
Design circuit using standard ICs and draw the circuit diagram indicating the pin numbers for all the connections. Upload the circuit diagram you have drawnGenerate the sequence: 2 – 8 – 4 – 10 –... more
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Electrical Engineering Physics

12/12/21

The batterries in fig 1 and fig 2 have identical emf of V volts.

The batterries in fig 1 and fig 2 have identical emf of V volts. The power drawn from the battery in Fig. 1. is P1 watts. The power drawn from the battery in Fig. 2. is P2 watts. If P1/P2 = m/n... more
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12/03/21

How to solve this by chain rule?
If z=f(x,y), where x=rcosθ and y=rsinθ, show that∂2z /∂x2+ ∂2z /∂y2= ∂2z/∂r2 + 1/r2. ∂2z/∂θ2 + 1/r . ∂z/∂r
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Electrical Engineering Calculus Gre Mechanical Engineering

12/03/21

Partial Derivatives
The ellipsoid 4x2+2y2+z2=16 intersects the planey=2 in an ellipse. Find parametric equations for the tangent line to this ellipse at the point (1,2,2).
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Electrical Engineering Math Computer Science Mathematics

11/30/21

A shop has 6 rows of lighting each with 42 fixtures. During a lighting retrofit it takes 2 electricians 70 minutes to change 1 fixture.
How many electricians are required to change all of the fixtures in a 40 hour time period
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Electrical Engineering

11/29/21

Electronics and Communication- Digital and Systems

Presume that while observing a periodic phenomena, you obtain complex value Fourier seriescoefficients. The number of significant coefficients are 18 and the insignificant coefficients are 28.Both... more
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Electrical Engineering Physics Electromagnetism

11/21/21

Is it possible, after increasing semiconductors‘ temperature, to make their conductivity be equal to the conductivity that of metals
Is it possible, after increasing semiconductors‘ temperature, to make their conductivity be equal to the conductivity that of metals. Why?
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Electrical Engineering Calculus Physics Mechanical Engineering

11/08/21

Can you solve this?
Mean value theoremSuppose two cars start a race at the same time and end it at the same time. Prove that at some point in time, their speeds were the same.
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Electrical Engineering Computer C++ Computer Programming

11/03/21

Why is signed char 0xff = -1?
I don't understand it very well.
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Electrical Engineering Algebra 2 Calculus Sat Math

10/28/21

How to solve this math by k(x+h)-k(x)/h this formula?

Consider the piecewise functiong(x)={(1+x)4−1, if x≥0 sin(4x), if x<0.Discover whether g(x) is differentiable at x=0 using the limit definition of the derivative. Without carrying out any... more
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Electrical Engineering Physics

10/14/21

A set of elements is subjected to a voltage v = 60 cos (5t + 45º) V and passed through by a current i = 3 cos (5t + 15º) A.

In sinusoidal steady state, the set of elements is represented by an impedance whose imaginary part is(A) 35Ω .(B) 25Ω .(C) 20Ω .(D) 15Ω .(E) 10Ω .
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Electrical Engineering Physics

10/14/21

An alternating voltage is described by 𝑣 = 50 𝑐𝑜𝑠 𝑡 (𝑣𝑜𝑙𝑡𝑠).

The value of the stress at 𝑡=𝜋/4 (seconds) is:A) 25 √2 V.(B) 30 V.(C) 30 √2 V.(D) 30 √3 V.(E) 50 V.
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Electrical Engineering Physics

10/14/21

In a three-phase, symmetrical, star-connected generator, phase sequence ABC, the phase voltage is 𝑉an=100∠40° 𝑉.

The phase voltage 𝑉cn is:(A) 100∠-80° 𝑉.(B) 100∠160° 𝑉.(C) 100∠120° 𝑉.(D) 100∠-120° 𝑉.(E) 100∠0° 𝑉.
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Electrical Engineering Physics

10/14/21

A balanced three-phase system, with line voltage of 220V/60Hz, feeds a star-connected balanced three-phase load with apparent power of 3kVA and leading 0.8 power factor.
Considering the information presented, analyze the following statements.I. The current per phase in the load is 5A.II. The active power of the load is 1800W.III. The reactive power of the load is... more
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Electrical Engineering Physics

10/14/21

A series RLC circuit with a resistance of 40Ω, a capacitor of 6.7mF, and an inductor of 0.20H is connected to a 127V/60Hz voltage source.
Select the alternative that presents the value of the circuit impedance.(A) Z = 40Ω - j75.0Ω .(B) Z = 40Ω + j2.51Ω .(C) Z = 40Ω + j0.251Ω .(D) Z = 40Ω + j75.0Ω .(E) Z = 40Ω + j25.1Ω .
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Electrical Engineering Physics

09/21/21

What diameter wire of this material will do the job?
Design a 0.60 A fuse that "blows" if the current exceeds 0.60 A . The fuse material in your stockroom melts at a current density of 450 A/cm^2 .What diameter wire of this material will do the job?
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Electrical Engineering Science Physics Physical Science

09/19/21

Physics question about resistors
You are given six resistors each of value 10 ohms, how will you connect them to give a total of 10 ohms? I need this to draw a circuit diagram of this arrangement but am unable to figure it out.
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Electrical Engineering Physics Electromagnetism

09/13/21

Finding the resistance value and total
Two incandescence 50w-220v connected in series, then the two lamps are connected in parallel with incandescent lamp an 80W, 220VA ) how the obstacles total?B ) how power produced all the joint if... more
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Electrical Engineering Logic Computer Engineering

09/05/21

Logic Design Question
S = A’B’C’D’E + A’B’CD’E’ + A’B’CD’E + A’B’CDE + AB’C’D’E + ABCD’EHow can we solve this function with the Quine Mc Clusky method?
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Electrical Engineering Algebra 1 Algebra 2 Calculus

08/14/21

Systems In A Park
Part A: A mistake was made in mixing the lemonade for the concession stand, but you can fix it! The lemonade comes in 100% juice concentrate, but you only serve it as 70% solution. Unfortunately,... more
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Electrical Engineering

08/11/21

Energy source conversion

The power input to a motor is 10 kW and the power output is 7 kW. Determine the efficiency of the motor. Can anyone help me? And could you tell me step my step and also answer the same question... more
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Electrical Engineering Math Calculus Geometry

08/09/21

Equations of Lines and Planes
If the line L is given by x= 2+ 3t , y=1- 2t , z= t, then it could also be written in symmetric form as(x-2)/6 = (y-1)/ = z/
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