What is capacitance - Study guides, Class notes & Summaries

NETA ETT Certified Level 3 Practice Exam 2024 Q&A A newly installed 4160V emergency generator has an insulation resistance value of 150 Megohms after one minute with an equipment temperature of 32 degrees C. Is this value acceptable per NETA standards? - CORRECT ANSWER-No NETA ATS-2017 Table 100.11 Know the NETA-ATS Insulation Resistance tables Which test method measures Hydrolyzable Flouride content in SF6 gas? - CORRECT ANSWER-ASTM D2284 [Standard Test Method for Acidity of Sulfu...

NCCER 26201 : Alternating Current - Electromagnetic Induction - (AC) Circuits Exam Test Combined Questions With Revised Correct Answers BEST UPDATED COMBINED SET!! 20. according to the power triangle, the apparent power is ______. - ANSWER (C) greater than the true power 21. which of the following uses electromagnetic inductions to transfer electrical energy from one circuit to another. - ANSWER (C) Transformer 22. given: a Transformer has 200 turns in the pri...

BICSI Practice Test-Retake Questions with Verified Solutions 1. **The two primary considerations regarding existing cabling are:** - Systems that are grandfathered - Identification and management of abandoned cables 2. **What is the term for a cutover process where cross-connects are relocated one pair at a time until completed?** - Rolling cut 3. **Which strategy involves temporarily relocating customers to alternate office spaces during office retrofitting?** - Swing sp...

What is the most important law applicable to the study of electricity? - CORRECT ANSWER Ohms law What are the elements of Ohm's Law? - CORRECT ANSWER Voltage, Current & Resistance What are four sources of electrical power? - CORRECT ANSWER Thermal, light, pressure and chemical What does an electrical circuit consist of? - CORRECT ANSWER source, Load/resistance and conductors What represents capacitance in an AC circuit? - CORRECT ANSWER a capaci...

G2 Gas Technician Exam (2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Grade A Q: Installation of a propane tank under 1000 USWG what would be the minimum distance from a regulator to a building opening? Answer: 3' Q: If an appliance is less than 85% efficient and non positive it would be considered a? Answer: Category 2. Q: For a steam boiler what would be the most important safety control? Answer: Low water cut off. Q: For a low pressure s...

What constitutes a capacitor? CORRECT ANSWER -Two conductors separated by an insulator -In its most basic form the capacitor is constructed of two parallel plates separated by a nonconductor, called a dielectric. (FAA-H-8083-30, Ch. 10) What is the purpose of a capacitor? CORRECT ANSWER -It Stores electrical energy in a electrostatic field. -In an electrical circuit, a capacitor serves as a reservoir or storehouse for electricity. (FAA-H-8083-30, Ch. 10) Does a capacitor in an AC circuit...

Two point charges Q1 and Q2 of equal magnitudes and opposite signs are positioned as shown in the figure. Which of the arrows best represents the net electric field at point P due to these two charges? a. A b. B c. C d. D e. the field is equal to zero at point P (image link: A system of four capacitors is connected across a 90-V voltage source as shown in the figure. What is the equivalent capacitance of this system? A)15 μF B)3.3 μF C)3.6 μF D)1.5 μF (image link: T...

What does the change in membrane voltage depend on? - ️️depends on the ion channels opened, not the neurotransmitter some neurotransmitters can have both excitatory and inhibitory effects; depends on the ligand gated channels in postsynaptic cell and the ion channels determining EPSP or IPSP When are large axons used? - ️️rapid responses- cockroach startle/escape response; sensory filiform hair receptors on back synapse to giant axon that goes to thoracic region and then synapses ...

CETa Practice Test 2024/2025 Questions With Correct Solutions 1. What does the acronym ESD stand for? A. Electrostatic Discharge B. Electrostatic Device C. Electromagnetic Sensitivity Diac D. Electrostatic Damage - ANS A. Electrostatic Discharge Current amounts between ______ and _____ can be lethal. A. 100mA, 200mA B. 10mA, 33.3mA C. 33.3, 75.6mA D. 4mA, 10mA - ANS A. 100mA, 200mA What is the number one concern in regards to electrical safety? A. Proper groun...

CETa Study Guide Complete Solutions 1. Full Wavelength in Air for RF Frequency 8.33 meters is the full wavelength in air for what RF frequency? 36 MHz --- 2. Decimal to Binary Conversion Decimal 164 would appear as what in binary? --- 3. Resistor Color Stripes A resistor has color stripes yellow, violet, violet, silver. It is? 470 MegOhm +/- 10% --- 4. Total Capacitance in Series What is the total capacitance of three capacitors valued at 100µF, 100µF, a...