Purely inductive - Study guides, Class notes & Summaries

AC Theory Practice Questions and Answers | Latest Version | 2024/2025 | Graded A+ What happens to the voltage and current in a purely resistive AC circuit? In a purely resistive AC circuit, the voltage and current are in phase, meaning they reach their maximum and minimum values at the same time. What is the role of inductance in an AC circuit? Inductance in an AC circuit opposes changes in current by creating a magnetic field that induces a voltage opposite to the applied volt...

NETA 2 Top Exam Questions and answers, rated A+ Under what considerations can tag out without lock out be permitted? - -***&If an energy isolating device is not capable of being locked For PV systems, a(n) _____ is a device that changes direct-current input to an alternating-current output. - -Inverter Identify the contact pictured above. (NC and NO separated by a node) - -Form C When applying personal protective grounds, which end is attached first? - -***&The equipment end An ...

Electrical shock can cause = Death AC is voltage or current waveform = Is called a sine wave A sine wave cycle = Is one variation of the sine wave form zero to maximum (positive) back to zero in one second is called Frequency The number of times this cycle occurs in one second = Is called frequency Frequency is expressed in = Hertz (Hz) The amplitude (range) of the sine wave is expressed as either = Voltage or current Common mathematical method of ...

625 NEIEP If a fixed amount of current is flowing in the direction shown in Figure 1, which of the following statements is correct when viewed from the end of the wire marked X? A magnetic field will be developed which rotates in a counterclockwise rotation. Which of the following statements is true regarding AC in a purely inductive circuit? Current lags voltage by 90 degrees Which of the following statements describes how an air coil is magnetized ? As current is increased it eve...

CDC 3E151 - HVAC/R JOURNEYMAN VOLUME 3 EXAM QUESTIONS AND VERIFIED ANSWERS LATEST UPDATE (401) What relationship between magnetic field and conductors is required to generate voltage mechanically? Relative motion between the two (401) Nickel and chromium alloys are used in heater elements because they make it possible to operate the elements at high temperatures without melting (401) What effect does the length of a wire have on the amount of pressure needed to force the electrons to the ...

Level 2 NETA Study Guide Exam Questions and Answers 100% Correct Portable ladders should extend... - CORRECT ANSWER-At least 3 feet above the landing. Electrical fires belong in what class? - CORRECT ANSWER-Class C What is a confined space? - CORRECT ANSWER-Any space having limited openings for entry and exit, unfavorable ventilation, or not designed for continuous worker occupancy. Entry permits must be signed by who? - CORRECT ANSWER-Trained individual serving as entry supervisor...

Choose the odd one out - Answer a Syllabus is a musical instrument Planning a lesson is crucial to your success and planning will allow you to relax more and more and show your true personality and your real reasons for becoming a teacher, to help and guide others to learn English. - Answer true A good Lesson Plan will contain: Context, Structure and Practice. If another teacher was looking at your lesson plan, they would know exactly what was going to happen in your lesson. - Answer ...

Spring Midterm IEC Exam Questions With 100% Correct Answers. In a 60 Hertz system, the voltage will go to "0" ___ times per second? - answer120 What type of magnet is used for the coil in a relay? - answerelectromagnet ___ flow equals current flow. - answerelectron ___ law states "charged bodies attract or repel each other with a force that is directly proportional to the product of the charges and inversely proportional to the square of the distance between them." - answerCoulomb's ...

For a given number of poles, which of the following determines the speed of an AC motor? Frequency The terminals of a motor can be identified using a battery and a(n) _____. voltmeter The stationary magnet of a DC motor is represented by the ______. field poles Any exposed live parts must be guarded if they are operating at ______. 50V or more between terminals The synchronous speed at which a four-pole, 60Hz induction motor operates is _____. 1,800rpm In ...

Ethics Sophia Final Exam Questions With Answers and Complete Study Guide All Units Latest 2024 (GRADED) Which of the following is a benefit of philosophy? • Philosophy is useful as a tool to justify personal opinions. • Philosophy defends what is traditional in society. • Philosophy improves understanding of argumentation. • Philosophy maintains society's collective memory. CONCEPT Benefits of Philosophy and Ethics 2 Many people confuse topics of religion, social etiquette, ...