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Physics CBSE Live product
Class 10
Magnetic effects of electric current
Magnetic effects through a soleniod
8.
Exercise on domestic electric circuits
Question:
2
m.
Select the correct answer
:
1
.
The main advantage of A.C power transmission over D.C power transmission over long distance is ____________.
AC transmit without much loss of energy
less insulation problem
easy transformation
less problem of instability
2
.
The wire with green insulation cover is called __________.
negative wire
earth wire
neutral wire
positive wire
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