Definitions
Name one example of a conductor.
Name one of the forms of Ohm's law express as a formula.
V = I x R
I = V / R
R = V / I
If voltage is increased while resistance stays the same.
Current increases.
What bandwidth is radio frequency?
20kHz to 300GHz
According to what law does electricity flow from negative to positive?
Law of Electrical Charges
What opposes changes in current?
Inductance / Inductors
What formula should you use to calculate 2 parallel branch resistances of different value?
Product over sum.
If the resistance increases, but voltage remains the same.
Current decreases.
What is the upper end of the optical spectrum?
1017
What law deals with the proportionality between voltage, current, and resistance?
Ohm's Law
What does a transducer do?
Transforms energy from one form to another.
What is the formula to calculate current when you have power and voltage?
I = P / E
What happens to resistance if frequency increases in a circuit with a capacitor?
Resistance decreases.
What is the upper end of X-Ray?
1023
What law deals with voltage drops?
Kirchoff's Law.
What are the synonyms for VAC?
Effective Voltage
RMS Voltage
What formula should you use when you have three parallel branch resistances where 2 of them share a common value?
Reciprocal formula
What happens to the resistance of a circuit with only resistors when frequency increases?
Nothing.
What is the audio spectrum?
15Hz - 20kHz
It does not differ.
What are the two of the three synonyms for an inductor?
Coil, choke, and/or reactor.
What is the formula for impedance?
Z = sqrt(R2 + (Xc - XL)2)
The number of cycles of a generator feeding a circuit with an inductor is increased from 50 Hertz to 100 Hertz. What happens to current?
Current decreases.
VLF, LF, MF, HF, VHF, UHF, SHF, EHF
What are the three principles of the Law of Electrical Charges?
Like charges repel.
Opposite charges attract.
Current flows from negative to positive.