How many types of high frequency heating? All Questions › Category: Basic Electrical › How many types of high frequency heating? 0 Vote Up Vote Down Rajasri Mundrathi Staff asked 3 years ago Options: a) 2b) 3c) 4d) 5 1 Answers 0 Vote Up Vote Down Rajasri Mundrathi Staff answered 3 years ago The correct answer isĀ 3