Fierul carbonil se caracterizează prin (a) mare şi are particule (b) , ceea ce îl face utilizabil la fabricarea miezurilor sau torurilor folosite la frecvenţe (c) , cu pierderi magnetice (d) .
ALIAJE MAGNETIC MOI_1

Quiz
•
Instructional Technology
•
9th Grade
•
Hard
Used 6+ times
FREE Resource
10 questions
Show all answers
1.
DRAG AND DROP QUESTION
45 sec • 10 pts
2.
FILL IN THE BLANK QUESTION
45 sec • 10 pts
Are proprietăţi magnetice superioare fierului tehnic pur, datorită purităţii ridicate:
3.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Materialele magnetic moi se caracterizează prin inducție remanentă și inducție de saturație:
mari
mare, respectiv mică
mică, respectiv mare
mici
4.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
În cazul materialelor magnetic moi, are valoare mare:
inducția remanentă
inducția de saturație
suprafața ciclului de histerezis
câmpul coercitiv
5.
MATCH QUESTION
1 min • 10 pts
Asociază fiecărui material magnetic moale, utilizarea corespunzătoare.
carcase de maşini electrice de c.c.
FIER ELECTROLITIC
fabricarea magneto-dielectricilor
FONTA
fabricarea aliajelor alni sinterizate
FIER CARBONIL
circuitele magnetice solicitate mecanic
ALIAJUL FIER_SILICIU
circuite magnetice de c.a.
OȚELUL
6.
HOTSPOT QUESTION
30 sec • 10 pts
Indică, pe graficul alăturat, poziția corespunzătoare inducției magnetice de saturație.
7.
DROPDOWN QUESTION
30 sec • 10 pts
Tolele din tablă silicioasă laminată la (a) se izolează între ele prin (b) , prin lăcuire sau printr-un strat de (c) .
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