Ohms laws - Study guides, Study notes & Summaries
Looking for the best study guides, study notes and summaries about Ohms laws? On this page you'll find 65 study documents about Ohms laws.
All 65 results
Sort by
-
Level 2 Module 1 Alternating Currents correctly answered rated A+ 2023/2024
- Exam (elaborations) • 6 pages • 2023
- Available in package deal
-
- R414,26
- 3x sold
- + learn more
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....
-
NCCER Electrical Level 1 Mod 4 Electrical Theory 2023/2024
- Exam (elaborations) • 4 pages • 2023 Popular
- Available in package deal
-
- R180,01
- 1x sold
- + learn more
NCCER Electrical Level 1 Mod 4 Electrical Theory 
Which of the following is true regarding a series circuit? 
The current flow is the same through all resistors. 
 
 
Which of the following is true regarding a parallel circuit? 
It has more than one path for current to flow. 
 
 
Which of the following is true regarding a series-parallel circuit? 
If a circuit is reduced to an equivalent series circuit, the total resistance is found by adding the loads. 
 
 
Two branches of a circuit (R1 and R2)...
-
Science Olympiad quiz bowl latest version already passed
- Exam (elaborations) • 14 pages • 2024
- Available in package deal
-
- R180,01
- + learn more
Science Olympiad quiz bowl latest 
 
version already passed 
 
thermometer device that measures temperature 
 
clouds stratus, cirrus, and nimbus are types of these 
 
What country experiences the most tornadoes? United States of America 
 
rainbow spectrum of light that appears when the sun shines into water droplets in the air 
 
Blizzard created by low temperatures, heavy snow, strong winds 
 
wind described by the terms "breeze" and "gale" 
 
global warming human activity linked to the w...
-
4th Class ABSA Exam Part A Practice Questions And Answers Solved 100% Correct!!
- Exam (elaborations) • 100 pages • 2024
-
- R342,36
- + learn more
4th Class ABSA Exam Part A Practice Questions And Answers Solved 100% Correct!! 
Absolute pressure is: 
gauge pressure plus atmospheric pressure 
 
 
The motion of moving parts is _____ by friction: 
 
A: Prevented 
B: Improved 
C: controlled 
D: resisted 
E: Regulated 
D: resisted 
 
 
Voltage is 
a) the rate of current flow 
b) the rate of electron flow 
c) electromotive force 
d) Kinetic energy 
e) A form of power 
c) electromotive force 
 
 
The resistance of a conductor is affected by: 
 
1...
-
MCQ 770 Questions & Answer Electrical Engineering 2024 Update
- Exam (elaborations) • 119 pages • 2024
-
- R378,22
- + learn more
MCQ 770 Questions & Answer Electrical Engineering 2024 UpdateMCQ 770 Questions & Answer Electrical Engineering 2024 Update 
 
1.	The ratio of voltage and electric current in a closed circuit 
 
a.	remains constant b. varies c. increases d. falls Ans-c 
2.	The curve representing ohm's law is 
 
a.	sine function b. Linear c. a parabola d. a hyperbola Ans-b 
3.	The resistance of a conductor having length l area of cross section a and resistivity ρ is given as: 
 
a.	ρa/l b. ρl/a	c. ρla	d. l/ρ...
Fear of missing out? Then don’t!
-
MCQ 770 Questions & Answer Electrical Engineering 2024 Update
- Exam (elaborations) • 119 pages • 2024
-
- R369,21
- + learn more
MCQ 770 Questions & Answer Electrical Engineering 2024 UpdateMCQ 770 Questions & Answer Electrical Engineering 2024 Update 
 
1.	The ratio of voltage and electric current in a closed circuit 
 
a.	remains constant b. varies c. increases d. falls Ans-c 
2.	The curve representing ohm's law is 
 
a.	sine function b. Linear c. a parabola d. a hyperbola Ans-b 
3.	The resistance of a conductor having length l area of cross section a and resistivity ρ is given as: 
 
a.	ρa/l b. ρl/a	c. ρla	d. l/ρ...
-
BOMA-HVAC Exam Questions With Verified Solutions
- Exam (elaborations) • 19 pages • 2024
-
- R207,04
- + learn more
BOMA-HVAC Exam Questions With 
Verified Solutions 
In an A/C system where air comes from both a hot duct and a cold duct that is supplied from a 
mixing terminal is called - answerA dual duct system 
An A/C system in which the zone control is obtained by mixing hot and cold air at the unit in 
response to a room thermostat is called a - answerMultizone system 
Heating and cooling load calculations take the _______________ into consideration. - 
answerSensible heat and latent heat 
Which of the f...
-
RADT 221 Test 1 Questions with well explained answers
- Exam (elaborations) • 5 pages • 2024
- Available in package deal
-
- R143,97
- + learn more
electrostatics - study of distribution of electrons at rest 
electrification - Process by which electrons are added or removed from an object 
electrodynamics - electrons moving from (-) to (+) 
electrical circuit - circular path from electron source to positive area and back to source 
two conditions that encourage electrons to move: - vacuums and gasses 
Five laws of electrostatics - 1. repulsion-attraction 
2. inverse square 
3. distribution 
4. concentration 
5. movement 
Three methods of el...
-
Summary NACE CP2 Study Guide Complete Solutions Verified
- Summary • 22 pages • 2024
- Available in package deal
-
- R198,21
- + learn more
Summary NACE CP2 Study Guide Complete Solutions Verified 
oxidation 
loss of electrons, positive charge atoms (anode) 
 
 
reduction 
gain of electrons, negative charged atoms (cathode) 
 
 
forms of corrosion 
uniform, crevice, galvanic (dissimilar metals) if two metals have to be couple then best to couple metals close together in the galvanic series, pitting, intergranular, selective leaching (dezincification, graphitization), velocity phenomena, environmental cracking (corrosion fatigue, hyd...
-
MCQ 770 Questions & Answer Electrical Engineering 2024 Update
- Exam (elaborations) • 119 pages • 2024
-
- R369,21
- + learn more
MCQ 770 Questions & Answer Electrical Engineering 2024 UpdateMCQ 770 Questions & Answer Electrical Engineering 2024 Update 
 
1.	The ratio of voltage and electric current in a closed circuit 
 
a.	remains constant b. varies c. increases d. falls Ans-c 
2.	The curve representing ohm's law is 
 
a.	sine function b. Linear c. a parabola d. a hyperbola Ans-b 
3.	The resistance of a conductor having length l area of cross section a and resistivity ρ is given as: 
 
a.	ρa/l b. ρl/a	c. ρla	d. l/ρ...
Do you wonder why so many students wear nice clothes, have money to spare and enjoy tons of free time? Well, they sell on Stuvia! Imagine your study notes being downloaded a dozen times for R250 each. Every. Single. Day. Discover all about earning on Stuvia