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An educational scene featuring electrical engineering concepts with circuits, diagrams, and students engaged in a classroom setting, visually representing the challenges of electrical engineering.

Electrical Engineering Challenge

Test your knowledge of electrical engineering principles and application with our challenging quiz! This quiz covers various topics, including circuit calculations, amplifier design, material science, and electro-physics.

Whether you are a student looking to improve your understanding or a professional wanting to refresh your skills, this quiz is ideal for you. Topics include:

Circuit Calculations
Signal Processing
Material Science
Electrical Safety
Power Analysis
Mechanical Systems

10 Questions2 MinutesCreated by CalculatingWizard341

Calculate the necessary series “dropping” resistor value to operate a 1.8 volt, 20 mA LED from a 34 volt DC power source (answer in Ω). Also, calculate the power dissipated by the resistor while operating. (answer in mW).

After the Business Plan Presentation event your team has collected 54 points and will not be participating in the finals. The other 8 teams participating in the event have collected the following points after the initial judging: Team A: 70 Team B: 65 Team C: 43 Team D: 55 Team E: 61 Team F: 69 Team G: 71 Team H: 23.Teams A, G, F and B are considered finalists and will participate in the Finals. What will be the final business plan scoring of your team? .

A researcher performed experiments with both human and animal subjects to determine the effects of electric currents on the body. A table showing his research data is presented here:Assuming a skin contact resistance of 600 Ω for a sweaty hand, 1000 Ω of resistance for foot-to-ground contact, 50 Ω internal body resistance, 70 Ω of resistance through the soil from the person’s location to the earth ground point, and a male victim, calculate the amount of voltage necessary to achieve pain with loss of voluntary muscle control , for the following circuit: (Answer in Volts).

A silver/copper binary phase diagram is shown below. An alloy that is 70% copper by weight is fully melted and allowed to cool slowly. The temperature at which solidification begins is most nearly:

Choose the false statement:

In the cost and manufacturing event, a team that does not qualify for the finals can score a maximum of 95 points.

A team can score 14 points in the “Demonstration and Structure” category in the Business Plan Presentation event.

At “Trackdrive” event the length of the track can be 272m.

A violation to the procedure of driver change may lead to a time penalty of three minutes.

Failure of a team member to follow an instruction or command directed specifically to that team or team member will result in 25 penalty points being deducted from the team’s overall score.

Which of the following inversions of four bar chain, convert oscillatory motion from one lever to another lever?

Ackermann steering gear mechanism

Beam engine mechanism

Coupled wheels of locomotive

All of the above

Calculate the discharge time for a battery with an n value of 1.2 and a C value of 200, given a discharge current of 25 amps, using Peukert’s Formula.

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Electrical Engineering Challenge

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