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Subjects
Science CBSE
Class 10
Electricity
Textbook based HOTS
4.
Multiple choice questions IV
Exercise condition:
4
m.
1
.
Which of the following statements is true?
Insulators do not contain electrons
Some of the electrons in a conductor are free to move through the material
Conductors always contain more electrons than insulators
The atoms in a conductor can move about but those in an insulator cannot move
2
.
A current of \(5\ amp\) exists in a \(10\ ohm\) resistance for \(4\ min\). How many coulomb pass through any cross-section of the resistor in this time?
\(12\ coulombs\)
\(120\ coulombs\)
\(12000\ coulombs\)
\(1200\ coulombs\)
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