A coil consists of 2000 turns of copper wire hav-ing a cross-sectional area of 0.8 mm 2 . The mean length per turn is 80cm and the resistivity of copper is 0.02 μ Ω –m. Find the resistance of the coil and power absorbed by the coil when connected acros

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A coil consists of 2000 turns of copper wire hav-ing a cross-sectional area of 0.8 mm

2

. The mean length per turn is 80cm and the resistivity of copper is 0.02

μ

–m. Find the resistance of the coil and power absorbed by the coil when connected across 110 V d.c. supply