Electrical Engineering Materials Set 1

Resistance of the conductor ✘ Area of the conductor section ✘ Length of the conductor ✘ All of the above ✔

Resonant waves ✘ Musical waves ✘ Microwaves ✘ Ultrasonic waves ✔

Unit cell ✘ Space lattice ✘ Either A or B ✘ None of the above ✔

1 ✘ 2 ✘ 4 ✘ 8 ✔

Induction hardened copper ✘ Hard drawn copper ✘ Pure annealed copper ✘ Copper containing traces of silicon ✔

Less than that of unbounded electron ✘ Greater than that of unbounded electron ✘ Equal to that of unbounded electron ✘ Infinite ✔

Adding impurities ✘ Reducing temperatures ✘ Application of magnetic field ✘ Any of the above ✔

Decreasing its temperature ✘ Increasing its temperature ✘ Decreasing its vibration ✘ Increasing its vibration ✔

A liquid ✘ A metal ✘ A metal liquid ✘ A gas ✔

Diamond ✘ High speed steel ✘ Mild steel ✘ Cast iron ✔