CBSE Class 10 Answered
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 | 18 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 | 20 Jul, 2014, 10:19: PM
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