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Networks Analysis and Synthesis - Engineering

Q1:

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

ANS:C - A is true but R is false

In a phasor diagram all phasors must be of the same frequency.