- -3 dBs decreases the final intensity to ___ of the original intensity
- -6 dBs decrease the final intensity to _____ the original intensity
- The attenuation coefficient is ______ the frequency.
- -9 dBs decrease the final intensity to ____ the original intensity
- 9 dBs increases the final intensity by ______ times the original intensity
- Distance and attenuation are _____ related
- Frequency and attenuation are ______ related
- 6 dBs increases the final intensity by ______ times the original intensity
- 3 dBs increases the final intensity by _______ times the original intensity
- The greater the net force, the greater the _____
- adding new elements in parallel ______ the total resistance, and total power _______
- light comes from the same object point but arrives at different places on the lens
- electric generator and electric motors are pretty much the _______ thing
- in magnetism, when distance increased, mass decreased
- for most conductors, ______ temperature means _________ resistance
- in magnetism, when current increases, mass increases
- when the ends of a conductor are at different potentials, charge will flow from ____ to _____
- if two rays enter a lens are parallel, they will converge at the
- in magnetism, when the number of turns increase, mass increases
- when radioactive elements decay, they emit 3 types of radioactive particles