100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Previously searched by you
Previously searched by you
logo
Delmars Unit 20 Capacitance in AC Circuits. questions and answers already solved 2024 $13.49   Add to cart
Quickly navigate to
Preview
  2.  
  3. DELMAR
  4.  
  5. DELMAR

Exam (elaborations)

Delmars Unit 20 Capacitance in AC Circuits. questions and answers already solved 2024
 16 views  0 purchase
  • Course
  • DELMAR
  • Institution
  • DELMAR

Delmars Unit 20 Capacitance in AC Circuits. questions and answers already solved 2024

Preview 2 out of 6  pages

Document information

  • October 2, 2024
  • 6
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • delmars unit 20 capacitance in ac circuits questi

Written for

  • DELMAR
  • DELMAR

Seller

avatar-seller
LEWISSHAWN55

Reviews received

Content preview

Delmars Unit 20 Capacitance in AC
Circuits
Three capacitors, a 12 μF, a 20 μF, and a 30 μF, are connected in series to a
400 Hz source. What is the total XC?
42.78 Ω
36.42 Ω
52.09 Ω
66.32 Ω - correct answer ✔66.32 Ω


Two capacitors, a 20 μF and a 30 μF, are connected in parallel to a 400 Hz
source. What is the total capacitive reactance?
42.04 Ω
33.16 Ω
7.96 Ω
53.05 Ω - correct answer ✔7.96 Ω


The power in a capacitor is reactive power. What is the unit for reactive
power?
W
P
VA
VAR - correct answer ✔VAR


A 1 μF capacitor has 2,652 Ω of reactance at 60 Hz. What is the reactance
value at 400 Hz?
639.79 Ω

, 568.72 Ω
397.88 Ω
768.33 Ω - correct answer ✔397.88 Ω


When a capacitor is connected to a(n) _____ circuit, current appears to flow
through the capacitor.
AC
DC - correct answer ✔AC


In a circuit containing a capacitor, the impressed voltage is _____ with the
applied voltage.
180° out of phase
90° out of phase
270° out of phase
in phase - correct answer ✔180° out of phase


What is the reactance of a 25 μF capacitor when the applied frequency is 400
Hz?
16.12 Ω
11.59 Ω
10.61 Ω
15.92 Ω - correct answer ✔15.92 Ω


Two capacitors, a 20 μF and a 30 μF, are connected in parallel to a 60 Hz
source. What is the total capacitive reactance?
7.96 Ω
53.05 Ω

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

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

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

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 LEWISSHAWN55. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $13.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

80461 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$13.49
  • (0)
  Add to cart