question_subject:
Science
question_exam:
CDS-I
stats:
0,8,26,7,11,13,3
keywords:
{'conductivity': [0, 0, 0, 3], 'pure silicon': [0, 0, 0, 1], 'resistivity': [0, 0, 0, 2], 'silicon piece': [0, 0, 0, 1], 'aluminium': [1, 0, 3, 2], 'tvpc': [0, 0, 0, 1]}