Qualification > Sciences
ALL PHYSICS DOUBTS - POST HERE !!
Ghost Of Highbury:
--- Quote from: Ari Ben Canaan on May 26, 2010, 10:39:57 am ---What components are logic gates made from ?
--- End quote ---
http://www.play-hookey.com/digital/electronics/
dont worry, they wont ask wat is inside a logic gate..
6394:
--- Quote from: A@di on May 26, 2010, 10:46:57 am ---http://www.play-hookey.com/digital/electronics/
dont worry, they wont ask wat is inside a logic gate..
--- End quote ---
no dey do i dnt rem i thnk in mocks or sumthin
ddey asked wat components are logic gates made from ?
one is transistor n othr i will chk my txt bk
WARRIOR:
--- Quote from: A@di on May 26, 2010, 10:46:57 am ---http://www.play-hookey.com/digital/electronics/
dont worry, they wont ask wat is inside a logic gate..
--- End quote ---
aadi for u
a women tune her radio to a station broadcasting on 200m
what does 200m tell her about the radio wave?
freq
wave leng
sped
ampl
Dana:
What abt this one ::) I really don't get it? ???
Four metal rods are placed, in turn, inside a coil of copper wire.
Which rod would be the most suitable to use for the core of a coil in a circuit breaker?
number of paper clips picked up when there is a current in the coil: number of paper clips still attracted when the current is switched off:
A 1 0
B 20 2
C 35 0
D 35 30
Ivo:
Can anyone please clear doubt about magnetism. So ferrous materials can be magnetised (e.g. iron and steel). All ferrous materials can be magnetically induced (so both sides of a magnetic object attracts).
However, a magent has poles. To make magnet, you place in d.c. current.
I'm not sure, but am i right in saying that in magnetic induction, the thing being induced is not a magnet, because it does not have magnetic field lines?
By the way, iron is magnetically soft, so loses magnetism easily right?
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