A thermometer has its stem marked in millimeters instead of degree celsius. The lower fixed point is 30mm, and the upper fixed p
1 answer:
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Answer:
289282
Explanation:
r = Radius of plate = 0.52 mm
d = Plate separation = 0.013 mm
A = Area =
V = Potential applied = 2 mV
k = Dielectric constant = 40
= Electric constant =
Capacitance is given by
Charge is given by
Number of electron is given by
The number of charge carriers that will accumulate on this capacitor is approximately 289282.
Answer:
Explanation:
c = Speed of wave
= Density of medium
A = Area
= Frequency
Intensity of sound is given by
So,
We get
The ratio is