BASICS OF AC AND ELECTRICAL CABLES - Practice Mode

1) How many electrons are contained in coulomb of electric charge?

6.25 x 108 electrons 6.25 x 1012 electrons 6.25 x 1016 electrons 6.25 x 1018 electrons

Correct Answer: 6.25 x 1018 electrons

2) What is the percentage of conductivity of electric current in silver?

0.56 0.67 0.94 1

Correct Answer: 1

3) What is the percentage of conductivity of electric current in aluminium?

0.22 0.47 0.56 0.76

Correct Answer: 0.56

4) How the movement of electrons through a conductor in a particular direction is called?

Resistance Inductance Conductance Electric current

Correct Answer: Electric current

5) Which metal has very good conductivity to the electric current?

Gold Copper Silver Aluminium

Correct Answer: Silver

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