The first practical solar cell capable of converting significant sunlight into electricity was invented by whom at Bell Labs? MCQ with Answer and Explanation
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Question #1
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Who discovered the primary mathematical law detailing electric current branching paths, known as the junction rule?
Correct Answer: Option C
Explanation:
Kirchhoff's Junction Rule states that the total current entering any electrical network node precisely matches the total current exiting it.
Kirchhoff's Junction Rule states that the total current entering any electrical network node precisely matches the total current exiting it.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
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Who formulated the mathematical equations governing the unified theory of electricity, magnetism, and optics?
Correct Answer: Option C
Explanation:
James Clerk Maxwell formulated Maxwell's Equations, proving that light is an electromagnetic wave.
James Clerk Maxwell formulated Maxwell's Equations, proving that light is an electromagnetic wave.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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The first practical monochrome computer mouse was invented by whom at the Stanford Research Institute?
Correct Answer: Option A
Explanation:
Douglas Engelbart invented the computer mouse in 1964, constructed out of a wooden shell with two metallic wheels.
Douglas Engelbart invented the computer mouse in 1964, constructed out of a wooden shell with two metallic wheels.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
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