100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Automotive Electronics Practice Test Questions and Answers $12.49   Add to cart

Exam (elaborations)

Automotive Electronics Practice Test Questions and Answers

 4 views  0 purchase
  • Course
  • Automotive
  • Institution
  • Automotive

Automotive Electronics Practice Test Questions and Answers A series circuit has three resistors of 4 ohms each. The voltage drop across each resistor is 4 volts. Technician A says that the source voltage is 12 volts. Technician B says that the total resistance is 18 ohms. Which technician is co...

[Show more]

Preview 4 out of 33  pages

  • October 15, 2024
  • 33
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Automotive
  • Automotive
avatar-seller
Emillect
EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024




Automotive Electronics Practice Test
Questions and Answers

A series circuit has three resistors of 4 ohms each. The voltage drop across each resistor is 4

volts. Technician A says that the source voltage is 12 volts. Technician B says that the total

resistance is 18 ohms. Which technician is correct?


Tech A


Tech B


Both


Neither - Answer✔✔-Tech A


A vehicle has four parking lights all connected in parallel and one of the bulbs burns out.

Technician A says that this could cause the parking light fuse to blow (open). Technician B says

that it would decrease the current in the circuit. Which technician is correct?


Tech A


Tech B


Both


Neither - Answer✔✔-Tech B



Page 1/33

,EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024


As additional branches are added to a a parallel circuit, total circuit resistance ________.


Remains the same


Decreases


Increases


None of the above - Answer✔✔-Decreases


Calculate the total resistance and current in a 12-volt parallel circuit with three resistors of 4

ohms, 8 ohms, and 16 ohms, using any one of the five methods (calculator suggested). What are

the total resistance and current?


140 ohms (18 amps)


4 ohms (3.0 amps)


2.3 ohms (5.3 amps)


22 ohms (0.4 amps) - Answer✔✔-2.3 ohms


If one branch of a parallel circuit loses continuity, the other branches will still each receive

source voltage and ground.


True


False - Answer✔✔-True


If the resistance and the voltage are known, what is the formula for finding the current

(amperes)?


Page 2/33

,EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024


I=ExR


E=IxR


R=ExI


I = E / R - Answer✔✔-I = E / R


In a series circuit, total circuit resistance is equal to the ________ of the resistance of all loads in

the circuit.


Sum


Dividend


Difference


None of the Above - Answer✔✔-Sum


Kirchhoff's law states that the voltage around a closed circuit is equal to the sum of the

________ across all the loads.


Voltage drops


Resistances


Both A & B


Neither A nor B - Answer✔✔-Voltage drops


More electrical current will tend to flow through the branch of a parallel circuit with ________

resistance.


Page 3/33

, EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024


Infinite


Lowest


Highest


None of the Above - Answer✔✔-Lowest


Technician A says that electronic calculators have a memory function that can be used to

calculate resistance, current, and voltage values for a parallel circuit. Technician B says that

components of a series-parallel circuit are separated to simplify calculations. Which technician

is correct?


Tech A


Tech B


Both


Neither - Answer✔✔-Both


The amperage in a series circuit ________.


Is always less returning than leaving the battery.


Is the same anywhere in the circuit.


Is high at the beginning of the circuit and decreases as the current flows through the resistance.


Varies in the circuit due to the different resistances. - Answer✔✔-Is the same anywhere in the

circuit.


Page 4/33

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 Emillect. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $12.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

82191 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
$12.49
  • (0)
  Add to cart