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Subjects
Science State Board
Class 9
Magnetism and electromagnetism
The properties, effects and applications
7.
Formula and unit
Exercise condition:
4
m.
Find the analogy
:
Answer variants:
Artificial magnet
Force
L
1
.
s
:
Time
::
N
:
2
.
Electric current
:
i
::
Length of the current carrying conductor
:
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