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1. |
Which_of_the_following_materials_are_used_as_the_insulation_between_inner_and_outer_electrodes_of_the_ion_chamber?$ |
A. | Polythene |
B. | Plastic |
C. | Polytetrafluoroethylene |
D. | Polyacrylamide |
Answer» D. Polyacrylamide | |