Question

In figure

a.

Wave A is lagging wave B by ∠θ

b.

Wave A is leading wave B by ∠θ

c.

Wave A is lagging wave B by ∠θ and the two waves have same rms values

d.

Wave A is lagging wave B by ∠θ and the two waves have different rms values

Answer: (b).Wave A is leading wave B by ∠θ

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Q. In figure

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