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If a poor absorber of radiation were a good emitter its temperature could remain?
Wiki User
∙ 14y ago
less than its surroundings
Wiki User
∙ 14y ago
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Why is the inside of a vacuum flask shiny?
To reflect radiation back, where from it is coming. So hot contains will remain hot and cold will remain cold.
How does the temperature remain constant in a vacuum flask. Explain why in can do so over a long period of time?
Vacuum is a great insulator, because there needs to be some medium for processes of conduction or convection to occur. The only possible way to transfer heat through vacuum is radiation, which is not as effective, especially that flask walls are also constructed to limit radiation heat transfer(they are reflective). Temperature stays the same if there are no means to transfer energy between interior end environment.
What happens to temperature as energy is added to a substance that is changing state?
The temperature remain constant during the phase changing.
Does the frequency of a wave remain constant if the medium temperature and pressure do not change?
no
Why does temperature remain constant when wax solidifies?
the breaking of intermolecular bonds
Why emitter follower is stable?
The emitter follower, or Class C amplifier, is stable because offset does not depend too much on temperature, nor is there a bias circuit that affects gain. The emitter voltage is about 0.7V less (NPN) or more (PNP) than the base. So long as the ratio of collector-emitter current over base-emitter current stays in the linear region and is less than the transistor's gain (hFe) the emitter will "follow" the base with the junction offset. There will be some drift with temperature, but the circuit will remain stable so long as temperature stays within the transistor's specifications. If you need a circuit that is even more stable, you drive the base with an op-amp that compensates for the error between emitter and the reference input. Many linear power supplies are built this way. This technique nulls out the small changes to offset caused by temperature.
Why a UJT is not a thyristor?
Because to remain in conduction it requires a supply of emitter current. Without a minimum value of emitter current it can't stay in the on position. Most thyristors do not require gate current after they are turned on to remain in conduction
How do you change rear shock absorber?
Its not too hard to change them, see related link (pictures are gone, but directions remain).
In the stable a stars diameter and radiation?
remain the same... :)
What is intraoperative radiation?
Radiation during surgery to kill cancer cells that may remain in surrounding tissue after the surgery
What happens when hot temperature meets hot temperature?
They tend to be equal in temperature.For a start, it will remain hot.
What must remain constant for Boyle's law to be true?
1. A more correct name is Boyle-Mariotte law. 2. Only the temperature must remain constant.
What happen to the temperature during phase change?
The temperature remain constant.
Why is the inside of a vacuum flask shiny?
To reflect radiation back, where from it is coming. So hot contains will remain hot and cold will remain cold.
What is faithful amplification?
The process of raising the strength of a weak signal without any change in its general shape is known as faithful amplification. Conditions required for faithful Amplication: 1. Proper zero signal collector current 2. Minimum proper base emitter voltage at any instant. 3. Minimum proper collector-emitter voltage at ay instant. In short, the base-emitter junction shall remain properly forward biased and the base-collector junction shall remain properly reverse biased to achieve Faithful Amplicaiton.
The variable that Boyles law holds constant is?
Temperature remain constant.
What happens to the temperature and the speed of the molecules when gas is compressed?
The temperature and speed remain constant.
