For an isothermal process, the work done by or on a system of ideal gas is equal to the change in what? A. The work done is equal to the change in internal energy.
B.The work done is equal to the change in heat energy.
C.The work done is equal to change in entropy.
D.The work done is equal to the change in pressure.
Answers
For an isothermal process, the work done by or on a system of ideal gas is equal to the change in heat energy. The correct option is B.
What is isothermal process?
The process in which the temperature remains constant and other physical quantities are variable, is called the isothermal process.
From the first law of thermodynamics, the work done is the difference between heat supplied and change in internal energy of the system.
W = ΔQ - ΔU
For isothermal process, change in internal energy will be zero.
So, work done is equal to the change in heat energy.
Thus, the correct option is B.
Learn more about isothermal process.
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Answers
Answer:
0.025 A
Explanation:
A = 50 cm^2 = 50 x 10^-4 m^2
B2 = 6 T, B1 = 2 T
db = 6 - 2 = 4 T
dt = 2 s
R = 0.4 ohm
Let i be the magnitude of induced current and e be the induced emf.
According to the Faraday's law of electromagnetic induction
e = dФ / dt
e = A dB / dt
e = 50 x 10^-4 x 4 / 2 = 0.01 V
i = e / R = 0.01 / 0.4 = 0.025 A
Answers
Answer:
1.15 * 10^(-5) Tm²
Explanation:
Parameters given:
Magnitude of magnetic field, B = 5.7 * 10^(-5) T
Angle of magnetic field to the horizontal plane = 73°
Dimension of the desk = 81 cm × 85 cm
Area of desk, A = 6885 cm² = 0.6885 m²
The magnitude of the Magnetic Flux, |Φ|, is given as:
|Φ| = |B * A * cosθ|
Where θ = angle of the Magnetic field to the normal of the desk = 90 - 73 = 17°
Therefore, the magnitude of the Magnetic Flux will be:
|Φ| = |5.7 * 10^(-5) * 0.6885 * cos17|
|Φ| = 3.75 * 10^(-5) Tm²
When the magnitude of the magnetic flux through the top of a desk at this location is =
Calculate of Parameters
Parameters as per the question given:
Then The Magnitude of the magnetic field,
Then, The Angle of the magnetic field to the horizontalplane = 73°
After that, The Dimension of the desk = is 81 cm × 85 cm
Now, The Area of desk, A = 6885 cm² = 0.6885 m²
When The magnitude of the Magnetic Flux, |Φ|, is given as:
Then, |Φ| = |B * A * cosθ|
Where θ is = angle of the Magnetic field to the normal of the desk = 90 - 73 = 17°
Thus, the magnitude of the Magnetic Flux will be:
|Φ| =
|Φ| =
Find more information about Parameters here:
Answers
Answer:
Anions
Explanation:
Anions : Anions are defined as the atoms or the radicals. Atoms that have become negatively charged by gaining extra electrons are anions. For example, bromide ion (Br⁻), chloride ion (Cl⁻).
Anodes : The positively charged electrode by which an electron leave a device is called an anode.
Cations : They are the positively charged particle. For example silver ion (Ag⁺).
Cathodes : The negatively charged electrode by which an electron enter an device is called an cathodes.
Hence, the correct option is (a) " anions ".
Cations: positively charged atoms (CAT-ions are PAWS-itively charged)
Anode: positively charged electrode that allows electrical current flow (positive end of battery)
Cathode: negatively charged electrode that allows electrical current flow (negative end of batter)
Answers
Answers
Answer:
weight will decrease
Explanation:
this is because mad stays the same no matter what so it was between this and weight increases
Answer:
Its weight will decrease.
Explanation:
just because