Electric Circuits
A wire of 0.14 mm diameter and specific resistance 9.6 Ω - cm is 440 cm long. The resistance of the wire will be

 27.4 Ω.
 11.3 Ω.
 13.7 Ω.
 9.6 Ω.

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Electric Circuits
Atoms have no electric charge because they

 have an equal number of electrons and protons.
 have neutrons in their nuclei.
 have an equal number of neutrons and protons.
 have an equal number of charged and non charged particles.

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