Treeing phenomenon is observed in? A. Capacitors B. Cables C. Insulators D. Only a and b Right Answer: D. Only a and b Share : January 18, 2018 Hassan Ali Electrical Engineering Total 2 Votes: 0 2 Tell us how can we improve this Mcqs? Captcha: + = Verify Human or Spambot ? Related Mcqs Check Below -Electrical work is?A fuse wire of circular cross section has a radius of 0.8mm. The wire blows off at a current of 9A. What will be the radius of the wire that will blow off at a current of 1A?What is the limit of the conductor cross section when paper insulation is used?