Ohms Study guides, Class notes & Summaries
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CCDS IBHRE Exam Test With Complete Solution 2023-2024
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Rheobase - the lowest point on a strength duration curve at an infinitely long pulse duration 
 
Chronaxie time - the pulse width at twice the rheobase value. It approximates the most efficient stimulation pulse duration 
 
Charge (formula) - Charge= I(current) x T(time) 
 
Furman's formula - Energy(microjoules)= I(current)xV(voltage)xT(pulse width) 
 
Ohms law formula - Voltage(electromotive force)= I(current/flow of electrons) x R(resistance to current flow in ohms) 
 
Functional Refractory P...
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Wastewater Class 4 Exam Virginia| 100 questions| with complete solutions
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In an electrical circuit, the grounding wire is indicated by which color? Correct Answer: Green 
 
According to the Ohms Law, which electrical unit measures pressure? Correct Answer: Volts 
 
According to the Ohms Law, which electrical unit measures resistance? Correct Answer: Ohms 
 
According to the Ohms Law, which electrical unit measures current? Correct Answer: Amps 
 
How do you convert cubic feet to gallons? Correct Answer: Multiply by 7.48 
 
How do you convert gallons to pounds? Co...
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BICSI - Installer 1 - Review ALL ANSWERS 100% CORRECT SPRING FALL-2023/24 EDITION GUARNTEED GRADE A+
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B 
A third 90-degree bend may be permitted in a conduit run if the run does NOT exceed ______? 
 
A 5 m (16.5') 
B 10 m (33') 
C 15 m (50') 
D 30 m (100') 
C 
Which of the following is a property of an electromagnetic field built around a conductor that opposes any changes in current flow in a circuit? 
 
A Impedance 
 
B Capacitance 
 
C Inductance 
 
D Resistance 
A 
Which of the following markings is used for non-conductive optical fiber general-purpose cables? 
 
A OFNG 
 
B OFCR 
 
C OF...
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BICSI - Installer 1 – Exam Review | 120 Questions | 100% Correct Answers
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BICSI - Installer 1 – Exam Review | 120 Questions | 100% Correct Answers 
 
B 
A third 90-degree bend may be permitted in a conduit run if the run does NOT exceed ______? 
 
A 5 m (16.5') 
B 10 m (33') 
C 15 m (50') 
D 30 m (100') 
C 
Which of the following is a property of an electromagnetic field built around a conductor that opposes any changes in current flow in a circuit? 
 
A Impedance 
 
B Capacitance 
 
C Inductance 
 
D Resistance 
A 
Which of the following markings is used for no...
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Level 2 Module 1 Alternating Currents correctly answered rated A+ 2023/2024
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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....
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Nicet level 1 Study Guide Questions and complete solutions
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When testing a water level supervisory switch serving a pressure tank a signal shall indicate if the water level _____________from the required level 
 
(NFPA 72, Table 14.4.3.2 17 (j) (4) - rises or falls over 3 inches 
 
If combination audible/visible appliances are installed the location of the installed appliance shall be determined by the requirements of _______. 
 
(Nfpa 72 18.4.8.1) - the visible appliance 
 
What is the maximum number of 12 gauge THHN wires that can be installed in 1...
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BICSI Installer 1 ALL SOLUTION 100% CORRECT SPRING FALL-2023/24 EDITION GUARANTEED GRADE A+
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25-pair color code 
White - Blue, orange, green, brown, slate 
Red - Blue, orange, green, brown, slate 
Black - Blue, orange, green, brown, slate 
Yellow - Blue, orange, green, brown, slate 
Violet - Blue, orange, green, brown, slate 
Fiber color code 
Blue, Orange, Green, Brown, Slate, White, Red, Black, Yellow, Violet, Rose, Aqua 
NVP 
Nominal Velocity of Propagation 
Insertion loss 
The difference in the amount of power received before and after something is inserted into the circuit. 
Resist...
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NETA III 2024 QUESTIONS WITH CORRECT SOLUTIONS
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NETA III 2024 QUESTIONS WITH 
CORRECT SOLUTIONS 
The alternate source for emergency systems are required to be equipped with ground-fault 
protection of equipment. -Answer-False 
Which ANSI/IEEE standard covers SF6 circuit breakers? -Answer-C37.04 
You measure the winding resistance of a 12.4kV, 1000kVA, Delta-Delta connected transformer 
with a 100A test set. H1-H2 measures 42.0 microhms, H2-H3 measures 41.9 microhms, and H3- 
H1 measures 84.0 microhms. What can you conclude from these readings...
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NICET fire alarm systems level 1 exam questions 2024 with 100% correct answers
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if a combination audible/visible appliances are installed, the location of the installed appliance shall be determined by the requirements of - correct answer the visible appliance 
 
what is the maximum number of 12-gaugeTHHN conductors that can be installed in 1-inch EMT - correct answer 26 
 
Do you resistors are connected in parallel. R1 = 300 Ohms, R2 = 300 Ohms. What is the equivalent resistance? - correct answer 150 Ohms 
 
I room is 200 feet long and 100 feet wide, and the 8 foot high ce...
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Esco Electrical Certification Exam 2023 Questions and Answers
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Esco Electrical Certification Exam 2023 Questions and Answers 
 
What is current flow? 
D.The flow of electrons in a circuit 
What is impedance? 
A.Opposition to alternating current 
Like charges will 
B.Repel each other 
Any material that will readily release electrons is called: 
B.A conductor 
The symbol for current is: 
B. I 
Electricity can produce: 
D. All the above 
light 
heat 
magnetism 
The safety ground conductor is usually colored: 
B.Green 
An electron has: 
B.A negative charge 
Whi...
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