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What is the initial setting made in a multimeter before it is used for measuring resistance?

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What is the initial setting made in a multimeter before it is used for measuring resistance?

(a) fine adjustment

(b) instrument is open circuited

(c) voltage is applied

(d) zero adjustment

The question was asked by my school principal while I was bunking the class.

This question is from Electronic Multimeter in portion Electronic Instruments of Electrical Measurements

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The correct choice is (d) zero adjustment

Explanation: Initially the multimeter is short circuited and zero adjustment control is made. This is done till the meter reads zero resistance or in other words displays full scale current.

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