If the vector diagram of two AC waveforms is a right angle, then ...

[savannahhooper]

If the vector diagram of two AC waveforms is a right angle, then the waves _____.
 
  a. are in phase
  b. are 90 out of phase
  c. have the same frequency
  d. have the same peak voltage

Question 2

In a circuit that has both capacitance and resistance, the current will lead the voltage _____.
 
  a. because the resistance is too small to have an effect on circuit operation
  b. because the voltage across the branches is the same
  c. by some angle between 0 and 90
  d. with an impedance between 0 and 1

[kthug]

Answer to Question 1

b

Answer to Question 2

c

[savannahhooper]

Thanks for the timely response, appreciate it

[sailorcrescent]

Wow, this really help