Current in the conductor

Calculate the current in the conductor (in mA) if it is connected to a 4.5 V voltage source and its resistance is 20 (ohm).

Correct answer:

I =  225 mA

Step-by-step explanation:

U=4.5 V R=20 Ohm  I1=U/R=29/R=4.5/20=409=0.225 A  I=1000 I1=1000 409=401000 9=409000=225 mA

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