Complete the power triangle

[jfoster]

Complete the power triangle given 127.58 VAR and 150.11 VA

79.1 W, 58.2 PF

127.49 W, 31.79 PF

49.02 W, 31.79 PF

79.1 W, 49.02 PF

Mark For Later Review

I believe the correct answer should be 79.1 watts, 52.7 power factor.

[Kalbi_Rob]

Complete the power triangle given 127.58 VAR and 150.11 VA

79.1 W, 58.2 PF

127.49 W, 31.79 PF

49.02 W, 31.79 PF

79.1 W, 49.02 PF

Mark For Later Review

I believe the correct answer should be 79.1 watts, 52.7 power factor.

You might want to check your work for the power factor portion, but
I think they shouldn't call it PF but the angle since cos of theta is 0 - 1, not 58.2
answer I would select is 79.1 W, 58.2 PF

P=sqrt((150.11^(2))-(127.8^(2)))= 79.1 W
sin^(-1)(127.58/150.11) = 58.2 degrees

PF = cos(58.2) = 0.5269 = 0.53

[testguy]

You might want to check your work for the power factor portion, but
I think they shouldn't call it PF but the angle since cos of theta is 0 - 1, not 58.2
answer I would select is 79.1 W, 58.2 PF

P=sqrt((150.11^(2))-(127.8^(2)))= 79.1 W
sin^(-1)(127.58/150.11) = 58.2 degrees

PF = cos(58.2) = 0.5269 = 0.53

Question has been updated to reflect the angle rather than PF.