Originally one load was in a circuit. A second identical load gets added in parallel. Which of the following statements is correct? a) The voltage in each branch is half the total voltage.
b) The total current is reduced by half.
c) The total current doubles.
d) The total current stays the same

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explanation:

see the picture for the vector

the magnitude of the vector by pythagorean theorem

r = √( (-10)^2 + (3)^2 ) = √109

magnitude = √109 units

the direction angle between vector and x-axis is

tan^(-1)(3/10) = 16.699

so the direction is approximately 16.7 degrees north of west