AC

Question 1

Advantage of AC

Answer 1

Stepped up or down

Can be transmitted at high voltage, low current which reduces power loss

Current changes polarity

Question 2

Producing AC wave

Answer 2

Magnetic field

A conductor within the field

Relative motion between conductor and field

Question 3

Alternation

Answer 3

Half

Question 4

Wavelength

Answer 4

Given in meters or centimeters

Question 5

Creating a square wave

Answer 5

Combining fundamental frequency and odd harmonics only creates square waves

Question 6

Oscilloscope

Answer 6

Shape

Amplitude

Period

Question 7

Inductance

Answer 7

The property of a component or circuit that opposes any change in current

Question 8

Inductor

Answer 8

Loops in the coil must be closed insulated from each other

Question 9

Inductance unit of measurement

Answer 9

Henrys

Question 10

Inductance is directly proportional to…

Answer 10

The cross sectional area of the core

Question 11

All conductors in an energized circuit…

Answer 11

Have some degree of inductance

Question 12

Inductive reactance

Answer 12

Measured in ohms

Question 13

Current and inductor are…

Answer 13

Interchangeable

Question 14

Capacitors oppose…

Answer 14

a change in voltage

Question 15

Capacitance is measured in…

Answer 15

Farads

Question 16

Capacitive reactance

Answer 16

Opposition to current flow in a capacitive circuit

Question 17

Secondary coil

Answer 17

The output to load

Question 18

Mutual inductance

Answer 18

Measure of the amount of inductive coupling that exists between two coils

Question 19

Ratings

Answer 19

Voltage
Current
Power