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The ANR bank contains many sets with original names and codes, including navigation, safety and equipment topics. Select a module by name or use question search.
“ANR — EL-RO / Elth + Aut / EB / 1” contains 88 questions across 1 collection.
Learning
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Sample questions and answers
These examples come from the published collection. Choose Learning to study questions in sequence, or Exam to check your knowledge.
Cum se pot grupa receptoarele electrice dintr-o retea?
One correct answer
Doar trei in linie si restul in serie.
Mixt;✓ Correct answer
Doua suprapuse si restul libere.
In ce consta teorema lui Coulomb?
One correct answer
Coulomb a demonstrat ca intr-un circuit electric de-a lungul unui contur inchis, suma algebrica a t.e.m. ale surselor este egala cu suma algebrica a caderilor de tensiune in laturile conturului considerat.
Coulomb a stabilit ca doua corpuri punctiforme aflate in vid la distanta R12 si incarcata cu sarcinile lectrice "q1" si"q2", interactioneaza cu o forta direct proportionala cu produsul sarcinilor si invers proportionala cu patratul distantei dintre ele.✓ Correct answer
Coulomb a enuntat o teorie conforma careia orice conductor parcurs de curent electric se contracta.
Ce reprezinta figura alaturata si ce fenomene se produc?
One correct answer
Reprezinta o experienta facuta de M. Faraday pentru a demonstra producerea fenomenului inductiei electromagnetice.✓ Correct answer
Reprezinta experienta privind deplasarea unui conductor intre polii unui magnet permanent.
Acul galvanometrului ramane fix pe timpul deplasarii conductorului si incepe sa devieze atunci cand magnetul se afla la capatul bobinei
Ce reprezinta figura alaturata si ce fenomene se produc?
One correct answer
Doua bobine asezate pe un corp feromagnetic de forma inelara, una din bobine este alimentata de la o sursa de curent continuu (numita bobina primara) iar cealalta este legata la un galvanometru (bobina secundara).✓ Correct answer
Aceasta schema sta la baza functionarii tuturor masinilor electrice.
Deplasarea acului galvanometrului la deschiderea intrerupatorului K.
Ce este campul electromagnetic?
One correct answer
Este marimea fizica ce caracterizeaza starea de electrizare a corpurilor.
Este o forma a materiei, deosebita de substanta corpurilor, forma care exista si in vid (in afara corpurilor) si care poate exercita forte si momente asupra corpurilor✓ Correct answer
Este zona din spatiu unde campul electric actioneaza asupra corpurilor neferoase.
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