Null type recorders are All Questions › Category: Power System Analysis › Null type recorders are 0 Vote Up Vote Down Rajasri Mundrathi Staff asked 3 years ago Options: a) bridge recorders.b) LVDT recorders.c) potentiometric recorders.d) any one of the above. 1 Answers 0 Vote Up Vote Down Rajasri Mundrathi Staff answered 3 years ago The correct answer is potentiometric recorders.