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A resistance R and a capacitor having ca...

A resistance R and a capacitor having capaci- tance C are connected to an alternating source having emf `v=V_(0)sin (omegat)."It is given that "omega=(1)/(sqrt(3)RC)`
(a) Plot the variation of power supplied by the source as a function of time. Mark the maximum and minimum values of power in the graph.
(b) How does the plot change if capacitor is removed and only R remains connected to the source?
(c) Plot the graph when only C remains connected to source and R is removed.

Text Solution

Verified by Experts

The correct Answer is:
(a) `(##IJA_PHY_V02_C12_E01_024_A01##)`
(b)`(##IJA_PHY_V02_C12_E01_024_A02##)`
(c ) `(##IJA_PHY_V02_C12_E01_024_A03##)`
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Knowledge Check

  • Select correct statement for a capacitor having capacitance C , is connected to a source of constant emf E

    A
    Almost whole of the energy supplied by the battery will be stored in the capacity, if resistance of connecting wire is negligibly small
    B
    Energy received by the capacitor will be half of energy supplied by the battery only when the capacitor was initially uncharged.
    C
    Stored energy in the capacitor must increases even it the capacitor had an initial charge
    D
    Energy stored depends on type of the source of `emf`.
  • An inductance L having a resistance R is connected to an alternating source of angular frequency omega .The quality factor Q of the inductance is

    A
    `(R)/(omegaL)`
    B
    `((omegaL)/(R))^(2)`
    C
    `((R)/(omegaL))^(1/2)`
    D
    `(omegaL)/(R)`
  • A capacitor of capacity C is connected in A.C circuit. If the applied emf is V = V_(0) sin omega t , then the current is

    A
    `I = (V_(0))/(L omega) sin omega t`
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    C
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    D
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