what is the resistance of air gap nd a closed plug key????is the resistivity of an alloy lower or higher than its constituent metals??give reasons

Asked by Megha | 18th Jul, 2014, 07:13: PM

Expert Answer:

Resistance of an air gap is infinite.

Resistance of a closed plug key is equal to the resistance of the resistance wire below it.

Resistance and resistivity of an alloy is higher than that of its constituent pure metals.

Answered by Sheetal Jalan | 20th Jul, 2014, 10:19: PM