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List of top Physics Questions on Electromagnetic induction asked in DUET
What is the drift velocity of electons, if the current flowing through a copper wire of
$1\,mm$
diameter is
$1.1\, A$
? Assume that each atom of copper contributes on electron (Given, density of
$Cu= 9 g \, cm^{-3}$
and atomic weight of
$Cu = 63$
)
DUET - 2005
DUET
Physics
Electromagnetic induction
If percentage change in current through resistor is
$1\%$
, then the change in power through it would be :
DUET - 2005
DUET
Physics
Electromagnetic induction