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Delmar d questions and answers verified 2024
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Delmar d questions and answers verified 2024

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  • October 2, 2024
  • 3
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • delmar d questions and answers verified 2024

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Delmar's Unit 2.Electrical Quantities And
Ohm's Law
What is a coulomb? - correct answer ✔A coulomb is a measure of charge.
Measurement similar to a quart, gallon or liter (a quantity of neutrons)


What is an ampere? - correct answer ✔One coulomb per second.


Define voltage. - correct answer ✔the potential difference between two
points in a conducting wire carrying a constant current of 1 ampere when the
power dissipated between these points is 1 watt
(potential difference or electromotive force [EMF])


Define ohm. - correct answer ✔unit of resistance to current flow of electricity


Define Watt. - correct answer ✔A measurement of the amount of power used
in a circuit


An electric heating element has a resistance of 16 Ω and is connected to a
voltage of 120 V. How much current flow in this current? - correct answer ✔I
= E/R
120v/ 16Ω= 7.5A


How many watts of heat are being produced by the heating element in
question 6? Question 6 - "An electric heating element has a resistance of 16
Ω and is connected to a voltage of 120 V. How much current flow in this
current?" - correct answer ✔P = EI
120v x 7.5A= 900w

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