1. 2 coil are connected in series. The total inductance is just the sum of the two.?

a. false.

b. true.

c. sometimes.

2. How does (DC) direct current differ from (AC) alternating current?

a. one is constant and the other varies from a positive high to a negative low..

b. they are both equal other than their frequencies..

c. they both must be rectified to be smooth out..

3. Direct curcuit element includes all but one of these?

a. resistors.

b. induction coils.

c. wires.

4. Which of these is an alternating curcuit element and can hold a voltage charge?

a. a diode.

b. an induction coil.

c. a capacitor.

5. Rectifiers uses which of these devices to smooth out curcuit currents?

a. op-amps.

b. variable resistors.

c. diodes.

6. Alternating currents (cycling from high to low) may have this relationship to an alternating voltage?

a. in-phase.

b. phased out.

c. in sync.

7. The rate per second that alternating current and voltages go from positive maximum to a negative maximum is call one of these?

a. the tuning point.

b. the frequency.

c. modulation.

8. Inductions coil are used in AC curcuits to perform all but one of these functions?

a. store a high voltage.

b. store current.

c. impedance matching.

9. Coil and capacitors used in AC curcuits must be added to curcuit calculations in what way?

a. complementary.

b. directly.

c. vectorially.

10. After a transmitter sends out a carrier signal with with voice, music, or data on it, the destination must have one of these to take it off of the carrier wave?

a. a full wave rectifier.

b. a tuner.

c. a demodulator.