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3. Two sinusoidal currents are given by the equations A = 10 sin (wt + 60)and B = 15 sin (wt - 45). The phasedifference between them is_ degrees.O A) 105O B) 75OC) 15OD) 60 |
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Answer» - WAVES CONCEPT :- y = A SIN(WT + ∆) , here ∆ is called phase.Now, The phase DIFFERENCE between two waves A sin(at + ∆1) and A sin (wt + ∆2) = ∆1 - ∆2SOLUTION :- Phase difference between the waves will be 60° - ( -45°) = 105°.Hence, the phase difference between two waves is 105°. |
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