Electrical Engineering Materials MCQ

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:

  1. 0.35
  2. 0.48
  3. 0.52
  4. 0.67

Correct answer: 3. 0.52

Superconducting metal in the superconducting state has a relative permeability of:

  1. One
  2. Zero
  3. Negative
  4. Two

Correct answer: 2. Zero

Bohr Magneton is unit of:

  1. Momentum
  2. Magnetic moment
  3. Plank mass
  4. Virtual work

Correct answer: 2. Magnetic moment