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12th Standard English Medium Physics Subject Electromagnetic Induction and Alternating Current Creative 2 Mark Questions with Solution Part - II

12th Standard

    Reg.No. :
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Physics

Time : 00:30:00 Hrs
Total Marks : 10
    5 x 2 = 10
  1. Explain the use of transformers in long distance transmission of electric power.

  2. What is meant by Sinusoidal alternating voltage and current? Give its expression.

  3. Distinguish between AC and DC.

  4. Draw a graph showing variation of current with changing frequency of applied voltage in a series LCR circuit for two different values of resistance R1 & R2 (I1 > I2) fr - resonant frequency.

  5. When does the phenomenon of resonance is possibble in the circuit?

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