Units of Measure
Sine Wave
Miscellaneous
RMS and Sine Calculations
200

Electrical Pressure is measured in 

Volts

200

The peak positive voltage is reached at what degree of rotation

90 degrees

200

AC stands for

Alternating Current

200

What is the Formula for solving peak voltage if RMS is known?

Peak=rms x 1.414 or Peak= rms/.707

400

Resistance is measured in _________

Ohms

400

The line dividing positive and negative voltage on an O-scope

Zero volt reference 

400

The AC voltage displayed on a digital meter

RMS

400

What is the formula to solve RMS if peak is known?

RMS= peak x .707 or RMS= peak/1.414

600

Power is measured in

Watts

600

Vp-p is equal to _____ the peak.

2

600

The higher the Ohms the lower the

Amps

600

What is the formula for instantaneous voltage?  

E:Inst= E:peak x Sin(angle)

800

Current is measured in

Amps

800

The amount of time it takes to complete one cycle

Period

800

When can current flow in a purely capacitive circuit.

During capacitor charging and discharging

800

What is the formula for peak voltage?

E:max = E:Inst/Sin(angle)

1000

Inductive and Capacitive Reactance are measured in _______

Ohms

1000

One complete rotation of a sine wave

Cycle

1000

The ability of a current carrying conductor  to induce a voltage into itself.

Self-Induction 

1000

What is the peak to peak voltage of a circuit if RMS=120?

339

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