ECONOMICS (CBSE/UGC NET)

ECONOMICS

HUMAN CAPITAL

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
____ can be found in your phone and is a good conductor or electricity
A
diamonds
B
coal
C
salt
D
copper
Explanation: 

Detailed explanation-1: -You will often find electromagnet cores normally wrapped with copper wire. Copper is also used in microelectronic conductors, electric circuits and microprocessors because of its high conductivity and low resistance to joule heating. It is also used in mobile phones, TVs and computers.

Detailed explanation-2: -Copper and aluminium are most frequently used as the electrical conductors in electrical cables due to their low resistance and excellent conductivity.

Detailed explanation-3: -Copper is a better conductor as compared to aluminum, aluminium is about 40% less conductive than copper.

There is 1 question to complete.