What is the key objective of data analysis
1 answer:
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Answer:
From the multiple choices provided for the action of capacitor, option
(d) stores electrical energy
is correct
Explanation:
A capacitor is basically a two terminal device that stores electrical energy in the electric field in its vicinity. It is apassive element.
The property of a capacitor to store electrical energy or the effect of a capacitor is known as its capacitance. The capacitance of a capacitor is given by:
Q = CV or C =
It is originally known as condensor and it can be said that a capacitor adds capacitance to the circuit.
Answer:
Q convection = 11.361 W
Q radiation = 21.438 W
Explanation:
Given data:
Pr = 0.7
Isobaric volume expansion is calculated as
L = 0.5 m Since door is vertical
grasshoff number is
Gr = 1.79\times 10^8
Rayleigh number
Ra = GrPr
therefore given flow is laminar
Nusselt number is
Nu = 62.4223
Heat transfer coefficient
h = 3.246 W/m^2 K
convection heat transfer
Q = 11.361 W
Radiation heat transfer