Electrical Engineering Exam Questions and Answers 2026-2027, Exams of Public Health

A compilation of exam questions and verified correct answers related to electrical engineering concepts. It covers topics such as series and parallel circuits, electromagnetism, grounding, power calculations, circuit breakers, transformers, and various electrical components. The questions are designed to test understanding of fundamental principles and practical applications in electrical circuits and systems. This resource is useful for students preparing for exams or professionals seeking to refresh their knowledge of electrical engineering concepts. Questions about electrical schematics, circuit laws, and electrical safety.

Typology: Exams

2025/2026

Available from 11/28/2025

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SACA 201 Silver EXAM QUESTIONS AND VERIFIED
CORRECT ANSWERS LATEST 2026-2027 NEW
VERSION
When loads are connected in series, their individual resistances are __________.*
Divided
Added
Subtracted
Multiplied - answer>>>Added
The concept of a magnetic field being formed around a conductor when current
flows through it is called __________.*
Flux
Capacitance
All of the above
Electromagnetism
None of the above - answer>>>Electromagnetism
hat is the best way to verify that a piece of equipment is properly grounded?*
Measure for current in the ground conductor.
Touch the metal housing of the equipment.
Measure the resistance between the equipment ground and the main ground lug.
Disconnect and reconnect the ground conductor. - answer>>>Measure the
resistance between the equipment ground and the main ground lug.
The contacts of a(n) __________ switch are open until acted on by the operator.*
Normally open
Normally closed
Normally simulated
pf3
pf4
pf5
pf8
pf9
pfa
pfd
pfe

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SACA 201 Silver EXAM QUESTIONS AND VERIFIED

CORRECT ANSWERS LATEST 2026-2027 NEW

VERSION

When loads are connected in series, their individual resistances are __________.* Divided Added Subtracted Multiplied - answer>>>Added

The concept of a magnetic field being formed around a conductor when current flows through it is called __________.* Flux Capacitance All of the above Electromagnetism None of the above - answer>>>Electromagnetism

hat is the best way to verify that a piece of equipment is properly grounded?* Measure for current in the ground conductor. Touch the metal housing of the equipment. Measure the resistance between the equipment ground and the main ground lug. Disconnect and reconnect the ground conductor. - answer>>>Measure the resistance between the equipment ground and the main ground lug.

The contacts of a(n) __________ switch are open until acted on by the operator.* Normally open Normally closed Normally simulated

Adjacent - answer>>>Normally open

What is the total power of a series circuit if E = 75V and I = 50mA?* 1500 W 75 W 3.75 W .5 W - answer>>>3.75 W

Where are meter leads placed in a circuit to measure current in a single component or device?* Component input and ground Component output and ground Component input and output In series with the component - answer>>>In series with the component

Which of the following is a formula for calculating total resistance in a parallel circuit?* All of the above RT = 1/(1/R1 + 1/R2 + 1/R3) RT = ET × IT RT = R1 + R2 + R None of the above - answer>>>RT = 1/(1/R1 + 1/R2 + 1/R3)

What is the state of a capacitor if its resistance is continuously close to zero?* Fully Charged Charging Shorted Open - answer>>>Shorted

Which of the following electrical characteristics is not typically measured with a basic digital multimeter?* Current Resistance Voltage Frequency - answer>>>Frequency

What is the total opposition to flow of the circuit shown if the power supply frequency is 60 HZ and each of the coils have an inductance of 0.1H?* 113 Ohms 30 Ohms 63 Ohms 90 Ohms - answer>>>113 Ohms

Kirchoff's Voltage Law for a series circuit says that the total voltage is equal to __________.* The sum of the voltage drops The largest voltage drop The product of the voltage drops The smallest voltage drop - answer>>>The sum of the voltage drops

Which of the following is a formula for calculating power?* None of the above P = I × E P = E / R All of the above P = I × R - answer>>>P = I × E

What does an electrical schematic not show?*

Physical Connection Standard Symbols Conductors or Wires Indivual Components - answer>>>Physical Connection

A __________ circuit is one in which there is only one path for current to travel.* Closed Complex Parallel Series - answer>>>Series

Transformers are usually rated in units called __________.* Hertz Ohms Amperes Volt Amperes - answer>>>Volt Amperes

What is the the relationship between R3 and R4 in this circuit? - answer>>>They are in series

A simple method for opening or closing a circuit is to use a __________.* None of the above Switch Knife Screwdriver - answer>>>Switch

The difference between a fuse and a circuit breaker is __________.* None of the above Circuit breakers can be reset and used again Fuses are re-usable Circuit breakers are cheaper

What side of the of the transformer is connected to the power source?* Step-up side Primary coil Step-down side Secondary coil - answer>>>Primary coil

The electrical wall outlets at home are a source of __________ current.* None of the above Direct Alternating Both direct and alternating - answer>>>Alternating

A __________ is an electrical device that converts AC electricity from one voltage level to another.* Transformer Secondary coil Center tap Primary coil - answer>>>Transformer

Why does most electrical utility power throughout the world use AC instead of DC?* AC transmits more efficiently over long distance DC is more expensive to produce AC produces more power AC current is less dangerous - answer>>>AC transmits more efficiently over long distance

An ammeter is used to measure __________.* Current Voltage Temperature Resistance - answer>>>Current

What is a condition that exists when coils are so close that the magnetic force around one coil will cause a current to flow in another coil ?* Magnetism Capacitance Isolation Mutual Induction - answer>>>Mutual Induction

Which of the following circuits will not have current flow?* Circuit with more than one path Circuit with only one path Closed circuit Opened circuit - answer>>>Opened circuit

The energy stored by a capacitor is called a(n) __________.* Voltage spike All of the above Electrostatic charge Induced voltage - answer>>>Electrostatic charge

What is the status of the A & B Lamps when the pushbutton in this circuit is activated? - answer>>>Lamp A on and Lamp B off

What is the effect of inductive reactance in an AC circuit?* Aids Voltage Change Opposes voltage change Aids current change Opposes current change - answer>>>Opposes current change

Operators Conductors Knives Contacts - answer>>>Contacts

The measure of energy consumed by a circuit is called __________.* Dissipation Consumption Power Usage - answer>>>Power

Resistance is measured in units of __________.* Amps Ohms Volts Watts - answer>>>Ohms

A(n) __________ is used to measure resistance. - answer>>>Ohmmeter

What is the total measurement of voltage over the power source called? - answer>>>Applied Voltage

Rotary motion is the output of which electrical output device? - answer>>>Motor

Current is measured in units of __________. - answer>>>Amps

What step should be taken to correctly measure the resistance of a resistor that is wired in a circuit? - answer>>>Disconnect one end of the resistor

The resistance provided by an inductor in an AC circuit is called __________. - answer>>>Inductive reactance

What does hertz stand for on a sine wave graph? - answer>>>Cycles per second

What is the total inductance of a series circuit if the power supply frequency is 60 Hz and 3 coils each have an inductance of 0.3 henrys? - answer>>>0.9 Henrys

A common application of mutual inductance is found in a device called a __________. - answer>>>Transformer

What is the secondary voltage if the primary is 480VAC? (The primary coil have 300 turns and the secondary coil has 125 turns)* - answer>>>200 VAC

Which of the following is not a component of a basic electrical circuit? - answer>>>Insulator

What is the thin insulator placed between the plates of a capacitor called? - answer>>>Dielectric

One of the effects a capacitor has in a DC circuit is that it will __________. - answer>>>Charge to a voltage equal to the source voltage

Capacitance is measured in __________. - answer>>>Farads

What is a drawing showing electrical symbols and paths? - answer>>>Schematic

Current in a(n) __________ circuit is divided among the branches of the circuit. - answer>>>Parallel

Which of the following is not a component of a transformer? - answer>>>Plate

What input device is shown in the circuit - answer>>>Left to right cell, switch, lamp, cable Single Pole Single Throw Switch

A circuit that uses resistors to produce a voltage that is lower than the source voltage is called a __________. - answer>>>Voltage divider

What change occurs in a circuit powered by a battery when a parallel branch is added?* Voltage decreases Current decreases Current increases Voltage increases - answer>>>Current increases

Which of the following statements is not true about measuring the resistance of a component that is connected in a circuit?* Connect the leads across the component. Turn off the power supply. Disconnect one of the component leads from the circuit. Make sure the power supply is on. - answer>>>Make sure the power supply is on.

What is the total capacitance of three 25 microfarad capacitors in series?* 75 microfarads 25 microfarads 5 microfarads 8 microfarads - answer>>>8 microfarads

What feature of a ground circuit creates a safe path for current?* Provides a current return to source

Low resistance to ground High resistance to ground Creates an open circuit - answer>>>Low resistance to ground

In order to calculate the output voltage of a transformer, divide the input voltage by the __________.* Turns ratio Resistance Input current Frequency - answer>>>Turns ratio

What is the below symbol? - answer>>>Coil

In the circuit shown, if the negative side of the battery is the common lead. which point has the highest potential voltage? - answer>>>1, r2, 2, r1, 3 is 1

Which of the following is a method to troubleshoot a transformer? - answer>>>Measuring the continuity of the coils

How many seconds will it take for a capacitor in a RC circuit to completely charge if the the RC circuit has a time constant of .05 seconds? - answer>>>0.