The recorders used for plotting B-H curves for magnetic materials, current-voltage curves for transistors and speed-time curves for electric motors are……….recorders.
A. LVDT type
B. circular chart
C. x-y
D. potentiometer type
Answer:C
The recorders used for plotting B-H curves for magnetic materials, current-voltage curves for transistors and speed-time curves for electric motors are……….recorders.
A. LVDT type B. circular chart C. x-y D. potentiometer type