WorksheetsEgrid Week 2 Review
Total questions: 30
Worksheet time: 15mins
When calculating RMS and the Peak value is known, what is the constant used in your formula?
1.414
.707
1.707
.414
Does this pic represent an In Phase circuit or an Out of Phase circuit?
In Phase
Out of Phase
At what E(inst) angle is RMS measured?
90 degrees
45 degrees
180 degrees
360 degrees
When finding Peak voltage, when RMS is given, what is the constant value in your formula?
.707
1.414
1.441
1.707
Solve the problem in the pic.
Peak Voltage: 19,519
Angle: 280 degrees
19,444 volts
-19,822 volts
-19,222 volts
19,222 volts
In a sine wave, what is the voltage when the magnet is at 180 degrees?
0 volts
Peak Positive Voltage
Peak Negative Voltage
-7244
In a DC circuit, the resistive load is the one and only type of load? True/False
True
False
RMS stands for?
Rowdy Mood Swings
Root Mean Square
Rude Mean Square
Raunchy Mom Sharts
Which law states, "Opposites attract and like charges repel"?
Ohm's Law
Law of Physics
Law of Relativity
Law of Charges
______ _______ exist in an AC circuit only when the load is purely resistive?
Positive Peak
True Power
True Amps
Negative Peak
True/False? Energy can be converted but it can not be created or destroyed.
True
False
What mechanical energy is used in the pic to create electrical energy?
Solar
Steam
Wind
Water
One complete rotation of a generator is known as a what?
Year
Cycle
RMS
Volt
What is the mechanical energy used in the pic to create electrical energy?
Wind
Solar
Steam
Water
What is the voltage referred to, when the generator has rotated to 270 degrees?
O volts
RMS
Peak Negative Voltage
Peak Positive Voltage
Answer question in pic.
Peak Voltage: 28,147
Angle: 130 degrees
25,562 volts
21,562 volts
-21,562 volts
26,444 volts
What is the voltage of a sine wave at 90 degrees referred to as?
RMS
Peak Negative Voltage
Peak Positive Voltage
0 volts
What mechanical energy is used in the pic to create electrical energy?
Water
Steam
Wind
Solar
Solve the problem in the pic.
Peak Voltage: 16,968 volts
Find RMS?
7200 volts
12,000 volts
10,200 volts
11,000 volts
When current and voltage rise and fall at different times, they are said to be "In Phase"? True/False
True
False
Hertz, or cycles per second, measures what value?
Ohms
Watts
RMS
Frequency
Solve the problem in the pic?
RMS: 20,800 volts
Find Peak Voltage
36,999 volts
29,411 Volts
28,411 volts
24,911 volts
How many times, in a Sine Wave, does the voltage fall to ZERO?
5
3
2
6
The strength of the voltage to be produced depends on 3 factors. _____________, strength of the magnetic field & the speed at which the Flux passes through the coil.
The number of turns in the coil of wire
The number of coils
The way the coil is set in the tank
The way the Dragon drags
What is the formula for E(inst)?
Emax x Sin of angle
Emin x Sin of angle
Emax x Tan of angle
Erms x Sin of angle
Solve E(inst) for the picture.
Find Voltage @ 45 degrees
Peak voltage: 7200
5517.91 volts
-5091.17
5091.17 volts
7345 volts
Solve for E(inst) for the following picture.
Solve for angle 210 degrees
Peak voltage: 7200
-3130 volts
3600 volts
6300 volts
-3600 volts
Find RMS?
Peak Voltage = 14,400 volts
10,720 volts
10,181 volts
10,457.8 volts
11,181 volts
Find Peak Voltage if RMS = 14,400 volts
7200 Peak Volts
-20,362 Peak Volts
22, 500 Peak Volts
20,362 Peak Volts
The RMS value is always higher than the Peak or Maximum Voltage value? True/False
True
False
