Discussion Forum : Electrical Cables
Question - A certain cable has an insulation of relative permittivity 4. If the insulation is replaced by one of relative permittivity 2, the capacitance of the cable will become_____________?
Options:
A .  one half
B .  double
C .  four times
D .  none of the above
Answer: Option A
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
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