Question 16:
(a) Give two examples of substances which are good conductors of electricity. Why do you think they are
good conductors of electricity ?
Calculate the resistance of a copper wire 1.0 km long and 0.50 mm diameter if the resistivity of copper is 1.7 × 10-8 Ωm.
Lakhmir Singh Physics Class 10
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Two examples of good conductors of electricity
1) Silver
2) copper.
All the metals are good conductors of electricity.
Silver : among all the metals silver is the best conductor of electricity , as it cost more we replace it with copper.
1) Silver
2) copper.
All the metals are good conductors of electricity.
Silver : among all the metals silver is the best conductor of electricity , as it cost more we replace it with copper.
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