Electrical Engineering materials are classified into four classes: Conductors, Semiconductors, Insulators, and Magnetic materials.
MCQ on Electric Materials
Packing fraction of the simple cube is:
- 0.35
- 0.48
- 0.52
- 0.67
Correct answer: 3. 0.52
Superconducting metal in the superconducting state has a relative permeability of:
- One
- Zero
- Negative
- Two
Correct answer: 2. Zero
Bohr Magneton is unit of:
- Momentum
- Magnetic moment
- Plank mass
- Virtual work
Correct answer: 2. Magnetic moment