Resistors Study guides, Class notes & Summaries

An AC circuit consists only of a pure inductance and a power source. The relationship between the voltage and the current in this circuit is that the correct answers current lags the voltage The power factor of a load is equal to the ____________ power divided by the ____________ power. correct answers True ; apparent A 10-ohms and 20-ohms resistor are connected in parallel. The total line current drawn by this parallel combination is 30 amps. Under these conditions, the line voltage will ...

Electronic NOCTI Review WCCTC Latest 2023 Graded A+ Permanent Magnets- Readily retain their magnetic field for a long period of time Temporary Magnets- lose magnetism quickly Two types of magnets- Metallic Magnets & Ceramic Magnets Two Popular Classifications- Alcino & Cunife Coulomb's Law- Like poles repel and unlike poles attract Flux Lines- Lines of magnetic force that surround a magnet Four Basic Rules & Characteristics: 1. Flux lines have direction or polarity(N+S) 2. The lines o for...

NEIEP 300 Final Exam V2 (New 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Graded A QUESTION Fluorescent lamps produce _______ the lumens per watt compared to incandescent lamps Answer: 2x QUESTION How are switches rated? Answer: by max current switch can pass when closed QUESTION What happens to voltage in a series circuit Answer: Voltage drop is directly proportional to resistance QUESTION Describe current i...

NEIEP 600 Final Exam V1 (New 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Graded A QUESTION protect during charging Answer: resistor in series with capacitor QUESTION MOV has shorted Answer: excessive current in coil QUESTION electrolytic capacitors Answer: polarity sensitive QUESTION bleeder resistors Answer: to help drain voltage QUESTION total capacitance & max voltage Answer: 3...

ATT ET COMP TEST 2024 WITH QUESTIONS AND ANSWERS. OSHA stands for: - ANSWER Occupational Safety and Health Administration Minimum amount of current to "freeze" the body to a conductor: - ANSWER 12mA AC or 60mA DC Different Current Amounts vs the Body: - ANSWER 1-5 mA: Faint tingling to slight shock 6-16 mA: Painful shock, shaky muscles 17-99 mA: Extreme pain, hard to let go, heart flutters begin 100-2000 mA: Heart flutters definite, severe muscle contractions, nerve damage, significan...

NEIEP 800 Final Exam Version 2 (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Grade A Q: With wye-delta, reduced current starting is accomplished without the need for _____. Answer: resistors Q: _____ run buttons should run the platform and sling at leveling speeds only. Answer: Temporary Q: A _____ _____ consists of a piston held closed by an adjustable spring and must open at a certain pressure to prevent any further increase in pressure. ...

Stationary Engineer Electric Pre Test Questions And Answers An AC circuit consists only of a pure inductance and a power source. The relationship between the voltage and the current in this circuit is that the - ANSWER : current lags the voltage The power factor of a load is equal to the ____________ power divided by the ____________ power. - ANSWER : True ; apparent A 10-ohms and 20-ohms resistor are connected in parallel. The total line current drawn by this parallel combination i...

A contractor wants to raise the car speed from 100fpm to 125fpm, it currently has a 12" sheave. What sheave is required? - Diam=12" 12/4=3" 25fpm=3" 100fpm + 25fpm= 12"+3"= 15" sheave A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or resistance. What should you do? - Replace it with a larger MOV On a Ward-Leonard circuit the break is set, but the motor is trying to slip through the break. What is the issue? - Suicide Circuit You have an old DC motor ...

The resistance of electric flow through a circuit is measured in: A. Volts B. Amperes C. Ohms D. Joules C. Ohms A circuit with a single path for electric current flow is defined as a(n): A. Parallel circuit B. Closed circuit C. Series circuit D. Open circuit C. Series circuit The degree of resistance provided by an individual resistor within a circuit is measured in: A. Volts B. Watts C. Ohms D. Amperes C. Ohms Within a circuit, the letter ( I ) is used ...

Under what considerations can tag out without lock out be permitted? - Answer-***&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. - Answer-Inverter Identify the contact pictured above. (NC and NO separated by a node) - Answer-Form C When applying personal protective grounds, which end is attached first? - Answer-***&The equipment end An induction motor has 40kVA input po...