A constantan wire of length 50 cm and 0.4 mm diameter is used in making a resistor. if the resistivity of constantan is 5 × 10^ -7 ohm - meter , calculate the value of the resistor. show with full steps pls
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length =50cm=0.5m
diameter=0.4mm
radius=0.2mm=0.0002m
resistivity =5×10^-7 ohm m
so final answer is 1.99 ohm =2 ohm
see the attachment for the steps
diameter=0.4mm
radius=0.2mm=0.0002m
resistivity =5×10^-7 ohm m
so final answer is 1.99 ohm =2 ohm
see the attachment for the steps
Attachments:
butterflyqueen:
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Answer:
Explanation:
Final answer is 1,991×10^1......
If my answer is correct mark me brainliest.....
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