The direction of an electric field is determined from the behavior of a positive test charge that is set free in the electric field.This charge moves along a distinct vector showing the direction of the electric field Therefore the answer is b. a positive charge will move in the field.
You will need rocks brick and water.
Explanation:
- effect of density in speed of sound.
- effect of direction of wind in speed of sound.
because there is no medium to travel sound in vacuum.
hope it helps.
Answer:
3/4 of 12 = 16
3/4 of 24 = 32
Those are the answers based on how your question sounded
Explanation:
Answer:
for -12db

for 3db

for 10db

for 0db

Explanation:
The decibel is a logaritmic value given by:

we use 10 for power values and 20 for other values such voltages or currents.

for -12db

for 3db

for 10db

for 0db
