Explain the concept of resistivity and its dependence on temperature. How does the resistivity of conductors differ from that of semiconductors?
State Coulomb’s law and explain its significance. How does the force between two charges vary with the distance between them?
Can you think of examples of surveys in your
world today? Think about how toy companies get
information about what young people enjoy playing
with or how the government finds out about the
number of young people in school. What can a
historian derive from such surveys?
According to the poem “The Winner,” what qualities define a true winner?
How will the information historians get from old
newspapers be different from that found in police
reports?
What is the problem with the periodisation of Indian
history that James Mill offers?
How does the protagonist’s perspective on competition change in “Change of Heart”?
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