Advanced Electricity

Question 1

Does voltage lead or lag in an inductive circuit?

Answer 1

Leads by 90 degrees

Question 2

Does voltage lead or lag in a capacitive circuit?

Answer 2

Current leads by 90 degrees

Question 3

RL and RC circuits voltage and current are out of phase by how much?

Answer 3

Angle theta

Question 4

Volts in all parallel circuits

Answer 4

Constant

Question 5

Current or amps in all series circuits

Answer 5

Constant

Question 6

Current limiting values

Answer 6

Ohms (R,Xc,Xl, and Z)

Question 7

What factors into the capacitance of a capacitor?

Answer 7

Surface area of the plates
Distance between the plates
Type of dielectric material

Question 8

What determines amount of volts induced into a conductor?

Answer 8

of turns of wire
Strength of magnetic field
Speed of cutting action

Question 9

What do vectors indicate?

Answer 9

Magnitude and direction

Question 10

What are the facts about a sine wave

Answer 10

Most common of all ac waveforms
360 degrees is equal to 1 cycle
The # of complete cycles in 1 second is equal to the frequency which is measured in hertz

Question 11

How many degrees in a triangle?

Answer 11

180 degrees

Question 12

What voltage does a volt meter indicate?

Answer 12

RMS value

Question 13

Greatest advantage of AC power

Answer 13

It can be transformed

Question 14

What is the total resistance in a purely inductive circuit?

Answer 14

Inductive reactance (XL)

Question 15

What best describes RMS value?

Answer 15

Amount of AC volts that produce the same amount of power as DC voltage does

Question 16

What best describes average voltage?

Answer 16

DC volt value after it has been rectified creating ripples called pulsating DC