Question

How can we know positive and negative terminal in voltmeter?

Answer 1

Answer:

Explanation:

The terminal which is black in colour is positive and that which is red is negative

Answer 2

Explanation:

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Question:-

How can we know positive and negative terminal in voltmeter?

Answer:-

The voltmeter indicates polarity by direction of needle direction (analog) or sign of numerical indication (digital). When the red test lead is positive (+) and the black test lead negative (-), the meter will register voltage in the normal direction.

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