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The phase difference between the alterna...

The phase difference between the alternating current and voltage represented by the following equation `I=I_(0)sinomegat, E=E_(0)cos(omegat+pi//3)`, will be –

Text Solution

Verified by Experts

The correct Answer is:
`(5pi)/6`
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What kind of polarizations has a plane electromagetic wave if the projections of the vector E on the x and y axes are perpendicular to the propagation direction and are defind by the following equations: (a) E_(x) = Ecos (omegat - kz), E_(y) = E sin (omegat - kz) , (b) E_(x) = E cos(omegat - kz), E_(y) = E cos (omegat - kz + pi//4) (c) E_(x) = E cos (omega t - kz), E_(y) = E cos (omega t - kz + pi) ?

Evalueta int_(0)^(T)E_(0)I_(0)sin omega t sin(omegat+phi)dt

Knowledge Check

  • What is the phase difference between two simple harmonic motions represented by x_(1) = A sin(omega t + pi/6) and x_(2) = A cos (omegat) ?

    A
    `pi//6`
    B
    `pi//3`
    C
    `pi//2`
    D
    `2pi//3`

  • An alternating current is given by the equation i=i_1sinomegat+i_2cosomegat . The rms current will be

    A
    `1/sqrt2(i_1^2+i_2^2)^(1/2)`
    B
    `1/sqrt2(i_1+i_2)^2`
    C
    `1/2(i_1^2+i_2^2)^(1/2)`
    D
    `1/sqrt2(i_1+i_2)`

  • What is the phase difference between two simple harmonic motions represented by x_(1)=A"sin"(omegat+(pi)/(6)) and x_(2)=A "cos"omegat ?

    A
    `(pi)/(6)`
    B
    `(pi)/(3)`
    C
    `(pi)/(2)`
    D
    `(2pi)/(3)`

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