What will be the current density of metal if a current of 30A is passed through a cross- sectional area of 0.5m²? ans. 15 A/m² 120 A/m² 60 A/m² 7.5 A/m²

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What will be the current density of metal if a
current of 30A is passed through a cross-
sectional area of 0.5m²?
ans.
15 A/m²
120 A/m²
60 A/m²
7.5 A/m²
Transcribed Image Text:What will be the current density of metal if a current of 30A is passed through a cross- sectional area of 0.5m²? ans. 15 A/m² 120 A/m² 60 A/m² 7.5 A/m²
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