Capacitance - Study guides, Class notes & Summaries

During arc welding there is a zone adjacent to the weld metal that reaches high temperatures but does not melt. What is the name of this region? ANSWER-Heat Affect Zone (HAZ) In parallel electrical circuits, the voltage across each resistor is the same since each path is connected to the same voltage source. Select the correct statement. A. in each parallel path the resistance must be equalized to create equal voltage. B. the current flowing in each parallel path must be the same as the vo...

Level 2 Module 1 Alternating Currents 2:1 What is the step-down turns ratio of a transformer with 200 turns in the primary and 100 turns in the secondary? induced high voltage Opening the secondary of a CT under load will cause a dangerous level of___. 40Hz What is the hertz rating of an AC circuit if the frequency is 20 cycles per 1/2 second? 340V Given: A circuit has an rms voltage of 120VAC. What is the peak-to-peak voltage? 175V A circuit has a peak voltage of 275V....

Which tool is most approprite to clean battery connections? A. B. C. D. - ANSWER The minimum amp circuit breaker that should be used to protect 120V water heater circuit with a 1600-watt element would be rated at _________ amps. A. 15 B. 10 C. 20 D. 30 - ANSWER A. 15 When testing for excessive EMF emissions near a conductor or appliance, the tool of choice is a(an): A. Ohmmeter B. DVOM C. Gauss meter D. infrared sensor - ANSWER C. Gauss meter The primary problem with using...

NCCER 26201-20 ALTERNATING CURRENT QUESTIONS AND ANSWERS FULLY SOLVED An electric current always produces ? A magnetic field The number or cycles an alternating electric current undergoes per second is known as ? Frequency What is the peak voltage in a circuit with an RMS voltage of 120 VAC ? 170 VAC Wich of the following conditions exist in a circuit of pure resistance ? The voltage and current are in phase In a purely resistive AC circuit where 240v is applied ...

XC - correct answer ______ is the letter(s) used to indicate capacitive reactance in a circuit. A) XL, B) Z, C) HZ, D) XC Conductors drawn from a copper-clad aluminum rod with the copper metallurgically bonded to an aluminum core. The copper forms a minimum of ________ percent of the csa. - correct answer 10 Relay contacts are made of ___________. - correct answer Silver Defined apparatus - correct answer The organization or system used for doing or operating something Operation o...

PHYS 1260 Exam 3 DeWitt Version 1 Questions and Answers. Select ONE answer for each numbered problem. If you choose more than one on the Scantron sheet, you will be marked incorrect on that problem. Data Rate=(Number of Channels)x(samples/second)x(bits/sample) Capacity=(Number of Channels)x(Bandwidth/Channel)xlog2(SNR+1) SNR = Signal Power/Noise Power AM = Amplitude Modulation FM = Frequency Modulation PM = Phase Modulation FET = Field Effect Transistor RAM = Random Access Memory Capa...

What is the name of the invisible force that is created around the wire when electrons flow through a wire? Magnetic field What is electromagnetism? The creation of a magnetic field by the flow of electric current is referred to as electromagnetism. What does winding the conductor into a coil cause? Winding the conductor into a coil causes the magnetic field to become stronger. The ____________ of the field increases as the number of windings (turns) increases. Strength ...

Physics XII CH 2 CASE Study Electrostatic Potential and Capacitance

Associate CET practice Exam Questions and Answers (2024) 100%Correct Solution. 8.33 meters is the full wavelength in air for what RF frequency? Answer- 36 MHz Decimal 164 would appear as ________ in binary? Answer- A resistor has color stripes yellow, violet, violet, silver. It is: Answer- 470 MegOhm +/- 10% what is the total capacitance of three capacitors valued at 100pf, 100pf, and 50pf when connected in a series? Answer- 25 pf what is the ripple frequency of a full wave single phase ...

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