Single Answer MCQ
Q-00040395
During which situation does electric current produce heat in a conductor?
1
When current is flowing
2
When the circuit is open
3
When current is zero
4
When resistance is low
Answer and Solution
Answer
A. When current is flowing
Solution:
Electric current produces heat in a conductor when it is flowing due to the resistance opposing the flow. This phenomenon is described by Joule's law.
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