Connect ammeter before or after the load?

  • #1
Is there any issue to connect the Ammeter in the circuit before or after the load. According to me, the current should remain same in circuit and there should be no restriction for Ammeter connection so it can be placed anywhere in the circuit. please explain why as this question asked to me by someone.
 

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  • #2
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the current should remain same in circuit and there should be no restriction for Ammeter connection so it can be placed anywhere in the circuit
This is correct. For safety reasons, it is preferred that instrumentation, switches/controls, be placed as close to ground potential as possible/convenient. Additionally, depending upon the measurements being made, there will be less corruption of the measurement by leakage currents from high potential through/around the measurement device to ground.
 
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