When θ is 180 degree, alternating EMF will be

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{"type":"math","methodBadge":"Direct Formula","given":"When θ is 180 degrees, we are to find the value of alternating EMF.","formulaUsed":"$$E(t) = E_m \\sin(\\theta)$$","steps":[{"title":"Determine the sine value","explanation":"Since θ = 180 degrees, we know that $\\sin(180^\\circ) = 0$.","highlight":"$$\\sin(180^\\circ) = 0$$"},{"title":"Substitute into the EMF equation","explanation":"Substituting the value of $\theta$ into the formula for the EMF gives us $E(t) = E_m \\cdot 0$.","highlight":"$$E(t) = E_m \\cdot 0$$"},{"title":"Calculate the EMF","explanation":"As a result, $E(t) = 0$, meaning the alternating EMF is zero.","highlight":"$$E(t) = 0$$"}],"answer":"A is correct because the value of alternating EMF when θ is 180 degrees is 0.","coreConcepts":["Alternating Current","EMF","Sine Wave"],"crossTopicTip":"Understanding the behavior of sine functions helps in analyzing AC circuits and their phase relationships."}