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When a convention current detector comes near a heat source, it typically detects an increase in temperature due to the heat generated by the source. This change in temperature can cause a variation in the electrical resistance or current within the detector, potentially triggering an indication of the convection currents produced by the heat. As warm air rises and cooler air moves in to replace it, the detector may register changes in air movement or temperature gradients, providing insight into the convection process occurring around the heat source.

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1mo ago

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What happend when a convection current detector came near a heat source?

When a convection current detector comes near a heat source, it will detect the movement of air or fluid caused by the temperature difference. This movement creates a convection current around the heat source, which the detector can measure to indicate the presence and intensity of the heat source.


What happen when the convection current detector came near a heat source using spiral over candle pliers hanger and paper?

When the convection current detector comes near a heat source like a candle, the heated air rises due to convection, causing the paper spiral to move or spin. This movement is a result of the hot air near the heat source displacing the cooler surrounding air, creating a convection current that affects the paper spiral's position.


What does americium do in smoke detectors?

Americium-241 is used in smoke detectors because it emits alpha particles that ionize the air inside the detector. This ionization process allows a small electric current to flow between two electrodes in the detector. When smoke enters the detector, it disrupts this current, triggering the alarm.


How does tha current flows in the circuit?

Most people agree that current flows from the negative (cathode) terminal of the voltage source, through the load, and back to the positive (anode) terminal of the voltage source. This is because it is accepted that current is a flow of electrons. However, most analyses techniques use the convention that current flows from anode to cathode. It is simply a convention. So long as you are consistent in your usage of signs, you will be OK.


What happen when 2 different current source are connected in series connection with a resistance?

It is not recommended because one or other current source will be damaged by excessive voltage.


Why the Americium is used in smoke detectors?

In the smoke detector, the fast - moving alpha particles enable the air to conduct an electric current. As long as the electric current is flowing, the smoke detector is silent. The alarm is triggered when the flow of electric current is interrupted by smoke entering the detector.


What does it mean to source current?

the source current is the current that flows from the power source.


How is americium 241 used in smoke detectors?

Americium-241 is used in smoke detectors as a source of alpha particles, which ionize the air within the detector. When smoke particles enter the detector, they disrupt the ionization process, causing a decrease in the electric current flow and triggering the alarm to go off.


If the resistance increases what will happen to voltage and current?

If you have a simple circuit. For eg: One voltage source and one resistor, then the voltage of the circuit will always remain the same, the current however will decrease following Ohms' Law V=I*R. If we have a current source instead of a voltage source, we are forcing the current to be a certain value so if we increase the resistor value the current will remain the same but the voltage will increase.


What are the differences between proportional counter and gm counters in radiation monitoring?

The proportional counter is operating in linear mode, so the energy pulse measured by the detector is proportional to the energy of the radioactive particle. Thus, the average current flow in the detector is a function of both the activity (curies) and the energy (kEv) of the source. This detector is better at measuring the dose rate of the source. The Geiger-Muller detector, on the other hand, operates in avalanche mode, so the energy pulse measured by the detector is not proportional to the energy of the radioactive particle. Thus, the average current flow in the detector is a function of only the activity (curies) of the source. This detector is better at measuring the activity of the source, and can be more sensitive to lower energy particles, at the loss of discrimination of what those particles are.


What technology does a photoelectric smoke detector use to detect smoke?

A photoelectric smoke detector uses a light sensor and a light source to detect smoke particles in the air. When smoke enters the detector, it scatters the light, triggering the alarm.


What is the heat source for earth's convention currents?

The sun.