410 Answered Questions for the topic electrical engineering

Electrical Engineering Physics Sat Math Physical Science

02/20/25

Use junction rule and loop rule.
Here is the link to the question: https://ibb.co/fzm7920d Would you please be able to make a video on it since I have no idea how these currents flow and how to use the junction and loop rule... more
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Electrical Engineering Math Physics Physical Science

01/26/25

Find the total electric flux through the cylinder.
A uniformly charged, straight filament 7.10 m in length has a total positive charge of 2.00 µC. An uncharged cardboard cylinder 4.30 cm in length and 10.0 cm in radius surrounds the filament at its... more
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Electrical Engineering

01/11/25

I'm a retiree working on a hobby project- a sculptural lamp made of wood with a section of COB neon rope light as the light source- and I need help understanding how to wire it properly.

I'm looking for a tutor who can help me solve this fairly basic electrical problem- choosing the right transformer, dimming switch and COB strip for the effect I want- so I need some basic tutoring... more
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Electrical Engineering

12/06/24

Find the expression for the power delivered to the capacitor
v(t) = 4 cos(20t) V for t > 0 and v(t) = 0 for t < 0. C1=300 uF.
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Electrical Engineering Physics

10/30/24

Find voltage and power given current and resistance.
Circuit with two batteries, each with internal resistance, that are connected in series with each other and a resistor R. Battery 1 has emf of 6 V and r_1 of 1.3 ohms. Battery 2 (connected in the... more
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Electrical Engineering Physics

10/20/24

Finding the magnitide and direction of the magnetic force acting on a proton
Assuming, you are given a simple resistance circuit consisting of two resistors, where R1= 10Ω, R1= 25Ω, with a supplied voltage of 100 V. The two resistors are connected in parallel. The battery... more
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Electrical Engineering Physics

10/20/24

Problem Solving for solenoid with given inductance and resistance
A solenoid has an inductance of 100mH and resistance R of 5.5ΩHow can I find the:a) The time constant for this circuitb) How long would it take for the current to go from 0 to 63% of its final... more
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Electrical Engineering Physics

09/25/24

Using Kirchhoff's Laws to solve values for a given circuit diagram
In the circuit in the attached image, https://ibb.co/WFCMGdhgiven that the voltage supplied to the circuit is 12V, and that R1=R2=1000 Ω, R3=R4=2200 Ω, How can I calculate the total equivalent... more
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Electrical Engineering Physics

09/20/24

How can I determine the relative brightness of lightbulbs in different circuits?
Identical light bulbs are connected to identical batteries in the various circuits below. Use your model and previous observations to rank all the bulbs (A-H) in order of brightness (from greatest... more
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Electrical Engineering Physics

09/20/24

Finding the magnitude of the current and its direction in each resistor in the given circuit
a) Can the circuit shown below be reduced to a single resistor connected to the batteries?b) How can I find the magnitude of the current and its direction in each resistor?https://ibb.co/GWQTttq
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Electrical Engineering

09/16/24

Exhaust fan /;light
Trying to hang a exhaust fan/ light in my bathroom . There is 2 sets of words in the ceiling 2 red coming Light switch I think and from the other direction I have a set of 3; 1 white 1 black and 1... more
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Electrical Engineering Physics

09/12/24

Finding the charge on capacitors shown in a given circuit diagram
In the circuit diagram in the image attached:https://ibb.co/Kzwfs00How can I find the charge on each of the capacitors shown.
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Electrical Engineering Physics

09/12/24

Finding the equivalent resistance, total power supply, and emf of the battery, in a given circuit.
In the circuit in the image attached below, https://ibb.co/vhBSs3zwhere R1=3Ω, R2=10Ω, R3=5Ω, R4=4Ω, R5=3ΩHow do I finda) the equivalent resistance for this circuitb) If the total power supplied to... more
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Electrical Engineering

05/06/24

Electrical Engineering Concepts

A climate control system, a motor load, and a lightning circuit of a small warehouse establish a 20kVA power demand at 0.587 power factor lagging on a 240 V, 60 Hz supply. a) Establish the power... more
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Electrical Engineering

05/03/24

Electrical Engineering Power (Ac)
A small industrial plant has a 10-𝑘𝑊 heating load and a 20kVA inductive load due to a bank of induction motors. The heating elements are considered purely resistive ( 𝑝𝑓=1 ), and the induction... more
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Electrical Engineering Math Science Physics

04/15/24

Doppler-effect problem
Please help.I found this interesting problem on the internet, but I don't know how to start it:These are the questions:At what frequency do astronauts hear the hum?What frequency should the radio... more
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Electrical Engineering Math Physics Sat Math

03/25/24

What is the magnitude of the induced emf (in V) in the loop 1.00 s after it begins to move?
Can anyone help me with letter D? I keep getting the wrong answer. Here's the link to the picture of the full question. https://ibb.co/7WymLCZ
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Electrical Engineering Science Physics Act Science

03/23/24

Tricky interesting physics problem about magnetism
Can someone please help in finding a solution? I've never solved a problem like this one and it seems interesting but I can't get my head around it.The problem goes like this:The interacting... more
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Electrical Engineering Math Science Physics

03/14/24

Coaxial cable-physics problem
Please help with this problem.Problem:Power P is transmitted over a distance D on a coaxial cable. The radius of the cable's inner conductor with negligible resistance is Ri, and the radius of the... more
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Electrical Engineering Computer Science

03/07/24

Create a 5-bit signed comparator
In Cirsim below, create a 5-bit signed comparator. The inputs are two 5-bit bus inputs A and B. The outputs are three single-bit outputs: G, L, and E. The output G is true if A>B. the output E... more
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Electrical Engineering Math Physics Physical Science

03/02/24

Movement of charged particles in a magnetic field-physics problem
I found this interesting physics problem on the internet:An electron-positron pair is created from a photon with an energy of 2 MeV passing by a nucleus with a high atomic number. In the Wilson... more
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Electrical Engineering Math Physics Physical Science

01/24/24

Intriguing physics problem: photometry
The question is: What is the intensity of illumination on the inner surface of the exposed spherical shell?Condition: the size of the hole with a small radius "d" is much larger than the wavelength... more
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Electrical Engineering Calculus Physics Physical Science

01/20/24

Electricity and Magnetism question. Please help ASAP!
A uniformly charged insulating rod of length 17.0 cm is bent into the shape of a semicircle as shown in the figure below. The rod has a total charge of −7.50 µC. The link to the figure is... more
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Electrical Engineering Science Physics Physical Science

01/11/24

Variable capacitor
I came across an interesting task in a post:A variable capacitor, whose initial capacity is C, is charged to a voltage U and then short-circuited through a resistor R.1. Determine the ratio of the... more
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Electrical Engineering

11/17/23

Power (electrical engineering) question regarding power absorbed vs delivered
Q: A load consisting of a 480 Ohm resistor in parallel with a (5/9) microFarad capacitor is connected across the terminals of a sinusoisal voltage Vg, where Vg = 240 * cos (5000t) Volts.a) What is... more
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