Which of the following materials is best suited to make a coil (heating element) of an electric heater ?
| Material | Melting point | Resistivity |
| W | Low | Low |
| X | Low | High |
| Y | High | Low |
| Z | High | High |
1
W
2
X
3
Y
4
Z
Which of the following materials is best suited to make a coil (heating element) of an electric heater ?
| Material | Melting point | Resistivity |
| W | Low | Low |
| X | Low | High |
| Y | High | Low |
| Z | High | High |