Question

The instantaneous value of voltage in an ac circuit at any time t seconds is given by v = 275sin(28?t - 0.19). Determine the: a) Amplitude, frequency, periodic time, phase angle (in radians - leading or lagging) (6 marks) b) Value of voltage when t = 50 ms. (1 mark) c) Value of voltage when t = 0.25 s. (1 mark) d) Time when the voltage first reaches to 200 V. (1 mark) e) Time when the voltage first reaches 270 V. (1 mark)

          The instantaneous value of voltage in an ac circuit at any time t seconds is given by
v = 275sin(28?t - 0.19).
Determine the:
a) Amplitude, frequency, periodic time, phase angle (in radians - leading or lagging) (6 marks)
b) Value of voltage when t = 50 ms. (1 mark)
c) Value of voltage when t = 0.25 s. (1 mark)
d) Time when the voltage first reaches to 200 V. (1 mark)
e) Time when the voltage first reaches 270 V. (1 mark)

The instantaneous value of voltage in an ac circuit at any time t seconds is given by
v = 275sin(28?t - 0.19).
Determine the:
a) Amplitude, frequency, periodic time, phase angle (in radians - leading or lagging) (6 marks)
b) Value of voltage when t = 50 ms. (1 mark)
c) Value of voltage when t = 0.25 s. (1 mark)
d) Time when the voltage first reaches to 200 V. (1 mark)
e) Time when the voltage first reaches 270 V. (1 mark)

Added by Hugo M.

Calculus: Early Transcendentals

James Stewart 8th Edition

Instant Answer

Solved by Expert Adi S

07/18/2023

Step 1

19)$. 2) Amplitude: The amplitude is the coefficient of the sine function, which is 275. So, the amplitude is $\boxed{275 V}$. 3) Frequency: The frequency can be found by dividing the coefficient of $t$ inside the sine function by $2\pi$. So, the frequency is Show more…

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The instantaneous value of voltage in an AC circuit at any time second is given by 275sin(28πt - 0.19). Determine the: a) Amplitude, frequency, periodic time, phase angle (in radians - leading or lagging) (6 marks) b) Value of voltage when t = 50 ms. (1 mark) c) Value of voltage when t = 0.25 s. (1 mark) d) Time when the voltage first reaches 200 V. (1 mark) e) Time when the voltage first reaches 270 V. (1 mark)