Exam (elaborations)
ELECTRICAL THEORY MODULE 1
- Course
- Institution
ELECTRICAL THEORY MODULE 1
[Show more]
Content preview
ELECTRICAL THEORY MODULE 1Consider the following drawing. The contacts preceding the coils that are marked F - R
are: - Answers -N.C.
Instant start fluorescent lamps will not operate without a(n) - Answers -ballast
If one cycle is measured in 1/60 of a second, what is the frequency of the system? -
Answers -60 Hz
The difference of electrical potential between 2 points is measured in ____. - Answers -
Volts
The opposition to flow of electrons is referred to as - Answers -Resistance
Which of the following devices will store electrical energy? - Answers -capacitor
As a conductive metal becomes hot, the resistance _____. - Answers -increases
1 Watt equals - Answers -1 joule per second
The total opposition to current in an electrical circuit is? - Answers -Impedance
What are the two principle effects of electrical current in a circuit? - Answers -heating
and magnetic
KVA is defined as: - Answers -Apparent Power
The rate of current flow is equal to electromotive force divided by resistance is? -
Answers -Coulomb
The voltage drop across a parallel portion of a series-parallel circuit can be found by
multiplying the total branch current by the _______ of the parallel branch. - Answers -
equivalent resistance
To repair inductive problems in an industrial installation an electrician would install
________. - Answers -Capacitance
Potential difference is measured in which of the following values? - Answers -Voltage
Which of the following factors does NOT affect the resistance of branch circuit wiring? -
Answers -type of insulation used on the conductor
Which of the following pushes current in a circuit? - Answers -voltage, potential
differences between two points.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller GEEKA. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79064 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now