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Find the instantaneous value of the sine value at 90⁰ point having an amplitude 10V and time period 360⁰.

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Find the instantaneous value of the sine value at 90⁰ point having an amplitude 10V and time period 360⁰.

(a) 5

(b) 10

(c) 15

(d) 20

The question was asked during an online interview.

The question is from Voltage and Current Values of a Sine Wave in portion Introduction to Alternating Currents and Voltages of Network Theory

1 Answer

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Best answer
Right choice is (b) 10

The best explanation: The equation for sine wave A is v(t) = 10sinωt. The value at 90⁰ in this wave is v (t) = 10sin90⁰ = 10V.

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