Class 10 Physics S Chand Solutions. We covered all the Class 10 Physics S Chand Solutions MCQs in this post for free so that you can practice well for the exam.
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Class 10 Physics S Chand Objective with Solutions for Students
The majority of charge carriers in a p-type semiconductor are
(a) free electrons
(b) conduction electrons
(c) ions
(d) holes
Option d – holes
In an n-type semiconductor
(a) electrons are the only carriers.
(b) holes are the only carriers.
(c) electrons are the majority carriers, and holes are the minority carriers.
(d) None of the above
Option c – electrons are the majority carriers, and holes are the minority carriers
Which of the following is not a semiconductor?
(a) Silicon
(b) Krypton
(c) Selenium
(d) Germanium
Option b – Krypton
Which one of the following is not a semiconductor?
(a) Silicon
(b) Germanium
(c) Quartz
(d) Gallium arsenide
Option c – Quartz
Silicon is which type of material?
(a) Semiconductor
(b) Insulator
(c) Conductor
(d) No option is correct
Option a – Semiconductor
Which of the following is widely used in making semiconductor chips?
(a) Radium
(b) Sodium
(c) Germanium
(d) Sulphur
Option c – Germanium
When a piece of pure silicon is doped with aluminum, then
(a) the conductivity of the doped silicon piece will remain the same.
(b) the doped silicon piece will become n-type.
(c) the doped silicon piece will become p-type.
(d) the resistivity of the doped silicon piece will increase.
Option c – the doped silicon piece will become p-type
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