NDA2017General AbilityGeneral ScienceActual
Which one of the following statements is correct with regard to the material of electrical insulators?
Options
- AThey contain no electrons
- BElectrons do not flow easily through them
- CThey are crystals
- DThey have more number of electrons than the protons on their surface
Correct answer
B. Electrons do not flow easily through them
Step-by-step solution
The correct answer is option B.