Question

Ammeter connections are to be reverse while taking reading of discharging current justify ?​

Answer 1

The only ammeter I know where direction of current really matters.it only deflect one way and the way you connect any ammeter is in the direction of current flow

Answer 2

Justification on "Ammeter connections are to be reverse while taking reading of discharging current":

• Ammeter should always be connected properly such that the current entering should be from negative side and comes out from positive but if this connection is reversed the ammeter has a very low resistance can pull of a large amount of current from the voltage source.
• This current passing through the ammeter will cause a negative deflection or movement of the pointer to the unconventional direction thereby leading to a permanent damage to the ammeter.
• The low resistance that is offered by the ammeter is the reason that drawing of discharging current, which can lead to you are short circuit happening.

To know more:

What would be the reading of the ammeter and voltmeter when key is closed?

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