WorksheetsChemistry of Electronic materials-1
Total questions: 10
Worksheet time: 5mins
The band gap between the valence band and conduction band is the measure of ______
a) The conductivity of the material
b) The resistivity of the material
c) Charge density
d) Ease of ionization
Insulation breakdown may occur at _______
a) High temperature
b) Low temperature
c) At any temperature
d) Depends on pressure
Current carrier in conductors is ____
a) Proton
b) Electron
c) Neutron
d) Positron
Which of the following is not an application of conducting polymers?
a) Electronics
b) Rechargeable batteries
c) Analytical sensors
d) Adhesives
Conducting polymers having conjugation is a type of intrinsically conducting polymers.
a) True
b) False
Select the incorrect statement from the following option.
a) Conductive element filled polymer are mechanically durable and strong
b) Conductive element filled polymer possess good bulk conductivity
c) Conductive element filled polymer are generally high in cost
d) Conductive element filled polymer are light in weight
Which property that polyacetylene exhibits is unusual for an organic polymer?
Solubility
Flexibility
Electrical conductivity
High boiling point
The conducting mechanism is polyacetylene can be explained by
polaron hopping mechanism
bipolaron hopping mechanism
Hopping conduction mechanism
Conduction mechanism
Which of its properties makes graphene such an amazing material?
Thermal conductivity
Mechanical strength
Electron mobility
All of the above
Oxidizing agent used in the synthesis of graphite oxide is_______
K2Cr2O7
KMnO4
HClO4
