Question

Assertion (A): If A = 0.5 ∠ 20°, A² = 0.25 ∠ 40°.

Reason (R): When drawing a phasor diagram, sinusoids may have the same or different frequencies.

a.

Both A and R are true and R is correct explanation of A

b.

Both A and R are true and R is not the correct explanation of A

c.

A is true but R is false

d.

A is false but R is true

Answer: (c).A is true but R is false

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Q. Assertion (A): If A = 0.5 ∠ 20°, A² = 0.25 ∠ 40°. Reason (R): When drawing a phasor diagram, sinusoids may have the same or different frequencies.

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