When current flows through heater coil it glows but supply wiring does ___

When current flows through heater coil it glows but supply wiring does not glow because

A. supply wiring is covered with insulation layer.
B. current through supply line flows at slower speed.
C. resistance of heater coil is more than the supply wires.
D. supply wires are made of superior materials.

Show Answer

Answer: C

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