An electric pressing iron is connected to the mains using an insulated wire. wire becomes...
PHYSICS
WAEC 2021
An electric pressing iron is connected to the mains using an insulated wire. wire becomes very hot.
The heat generated in the wire can be minimized by replacing the wire with one of?
- A. thinner insulation.
- B. greater diameter.
- C. smaller diameter.
- D. thicker insulation.
Correct Answer: B. greater diameter.
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