Single Answer MCQ
Q-00019380
Why does a heating element glow while the cord remains cool?
1
The cord has higher resistance.
2
The heating element has lower resistance.
3
The heating element uses all the current.
4
The cord is insulated.
Answer and Solution
Answer
D. The cord is insulated.
Solution:
The heating element is designed to have low resistance, allowing current to pass through and generate heat, while the cord is insulated and has higher resistance to prevent heating.
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