Materials 'X and 'Y' in the figure are – McqOptions

MCQOPTIONS

1.	Materials 'X and 'Y' in the figure are
A.	X Y Aluminium foil Pencil lead
B.	X Y Pencil lead Copper block
C.	X Y Pencil lead Wooden block
D.	X Y Copper block Pencil lead
Answer» D. X Y Copper block Pencil lead

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