Podcast
Questions and Answers
What type of semiconductor is formed when a pentavalent dopant is added to silicon?
What type of semiconductor is formed when a pentavalent dopant is added to silicon?
- Extrinsic semiconductor
- n-type semiconductor (correct)
- Intrinsic semiconductor
- p-type semiconductor
What is the energy required to separate the extra electron from a pentavalent dopant in silicon at room temperature?
What is the energy required to separate the extra electron from a pentavalent dopant in silicon at room temperature?
- 1.1 eV
- 0.01 eV
- 0.72 eV
- 0.05 eV (correct)
What is the valency of the dopant atom added to the silicon lattice?
What is the valency of the dopant atom added to the silicon lattice?
- 4
- 2
- 3
- 5 (correct)
What is the name of the bulb-like structure at the termination of each neuron branch?
What is the name of the bulb-like structure at the termination of each neuron branch?
What is the effect of temperature on the number of free electrons generated by silicon atoms?
What is the effect of temperature on the number of free electrons generated by silicon atoms?
Why is a pentavalent dopant known as a donor impurity in silicon?
Why is a pentavalent dopant known as a donor impurity in silicon?
What is the function of dendrites in a neuron?
What is the function of dendrites in a neuron?
Which type of neuron has one axon and one dendrite?
Which type of neuron has one axon and one dendrite?
What are the gaps between two adjacent myelin sheaths called?
What are the gaps between two adjacent myelin sheaths called?
Which type of nerve fibre is enveloped with Schwann cells but does not form a myelin sheath around the axon?
Which type of nerve fibre is enveloped with Schwann cells but does not form a myelin sheath around the axon?
