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Flashcards in Review Deck (20)
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1
Q

What 3 factors determine how much voltage will be induced into a conductor

A

Number of turns
Strength of magnetic field
Speed of cutting action

2
Q

What are Vector Lines?

A

Magnitude and Direction

3
Q

What is the relationship of current and voltage in a pure resistive circuit?

A

They are in phase with each other.

4
Q

The sum of all angles of any triangle is?

A

180 degrees

5
Q

Define RMS.

A

The value of AC voltage that will produce as much power when connected across a resistor as a like amount of DC voltage

6
Q

Define Average Voltage

A

The value of DC voltage when it is rectified from AC voltage (Dependent on type of AC waveform)

7
Q

How many degrees is 1 complete cycle of AC current

A

360°

8
Q

In a RC parallel circuit. What is the relationship between current through resistor and current through capacitor

A

90° out of phase (capacitor leads)

9
Q

When using a volt meter to get AC voltage. What voltage is being indicated?

A

RMS

10
Q

In pure inductive circuit. What is the relationship between current and voltage?

A

Current lags by 90°

11
Q

Why is AC better than DC?

A

The voltage can be transformed.

12
Q

What is a cycle?

A

A complete sine wave of 360°

13
Q

Henry is the electrical unit for what?

A

Inductance

14
Q

What is the symbol for Henry

A

H

15
Q

What determines the capacitance of a capacitor

A

Area of plates
Distance between the plates
Dielectric material used

16
Q

What is Inductive reactance

A

Current limiting property of an inductor in a circuit

17
Q

What is a Farad and how is it symbolized

A

Basic unit of capacitance

F

18
Q

In a pure inductive circuit.

What is total resistance called?

A

Inductive reactance

19
Q

In a parallel RC Circuit

Voltage is?

A

The same across the circuit

20
Q

What is the formula for total current for a AC RL series circuit

A

It= Et/Z