Materials ‘X’ and ‘Y’ in the figure are
X | Y | |
A | Aluminium foil | Pencil lead |
B | Pencil lead | Copper block |
C | Pencil lead | Wooden block |
D | Copper block | Pencil lead |
Whatâs the answer to this?
Materials ‘X’ and ‘Y’ in the figure are
X | Y | |
A | Aluminium foil | Pencil lead |
B | Pencil lead | Copper block |
C | Pencil lead | Wooden block |
D | Copper block | Pencil lead |