Sinusoids and Phasors Review Questions

A function that repeats itself after fixed intervals is

said to be:

• a phasor

• periodic

• harmonic

• reactive

Which of these frequencies has the shortest period?

• 1 krad/s

• 1 kHz

• 10000 rad/s

• 1 MHz

• True

• False

The imaginary part of impedance is called:

• resistance

• reactance

• conductance

• susceptance

The impedance of a capacitor decreases with

decreasing frequency.

• True

• False

• 0 rad/s

• 1 rad/s

• 4 rad/s

• -14 V

• 14 V

• 25 V

• 31 V

• 30+j40

• 30-j40

• -30+j40

• -30-j40