A Norton ac equivalent circuit always consists of
1 answer:
Answer:
(b) an equivalent AC current source in parallel with an equivalent reactance
Explanation:
The Norton AC equivalent circuit is composed of a Norton current service as the source, and it is in parallel to a Norton resistor, which can be valid for any type of load. Norton equivalent circuit is valid for a single frequency in AC circuits.
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Answer:
critical stress = 595 MPa
Explanation:
given data
fracture toughness = 74.6 MPa-
crack length = 10 mm
f = 1
solution
we know crack length = 10 mm
and crack length = 2a as given in figure attach
so 2a = 10
a = 5 mm
and now we get here with the help of plane strain condition , critical stress is express as
critical stress = ......................1
put here value and we get
critical stress =
critical stress = 595 MPa
so here stress is change by plane strain condition because when plate become thinner than condition change by plane strain to plain stress.
plain stress condition occur in thin body where stress through thickness not vary by the thinner section.
