____ indicates a rod that is heated by some other source other than electric current flowing directly through it.
A) R
B) B
C) RB
D) IN

Question

Quizplus · Accepted Answer

The letter "R" is commonly used to indicate a resistance element that is heated by a source other than current flowing directly through it, such as a heating element in an oven or a hot water heater. Option B is incorrect, as "B" does not have any commonly accepted meaning in this context. Option C is incorrect, as "RB" does not have any specific meaning without further context. Option D is incorrect, as "IN" is not a commonly used abbreviation or symbol in the context of heating elements.

____ Indicates a Rod That Is Heated by Some Other