" /> -->

Term 2 - Electric Charge and Electric Current Two Marks Questions

9th Standard

    Reg.No. :
  •  
  •  
  •  
  •  
  •  
  •  

Science

Time : 00:45:00 Hrs
Total Marks : 20
    10 x 2 = 20
  1. On what factors does the electrostatic force between two charges depend?

  2. What are electric lines of force?

  3. Define electric field.

  4. Define electric current and give its unit.

  5. A bird sitting on a high power electric line is still safe. How?

  6. Two resistors 12\(\Omega\) and 6\(\Omega\) are first connected in series and then in parallel. The current-voltage graph for the two connections will be represented by which lines in the graph?

  7. Does a solar cell always maintain the potential across its terminals constant? Discuss.

  8. What is the effective resistance across the terminals a and b of the arrangement of resistors?

  9. Can electroplating be possible with alternating current?

  10. Rubbing a comb on hair makes the comb get – 0.4C.
    (a) Find which material has lost electron and which one gained it.
    (b) Find how many electrons are transferred in this process.

*****************************************

Reviews & Comments about 9th Science - Term 2 - Electric Charge and Electric Current Two Marks Questions

Write your Comment