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What else can I help you with?
Can bourdon's tube pressure gauge be used to measure negative pressure?
Bourdon's tube pressure gauge cannot be used to measure negative pressure. This is because absolute pressure must be measured and the Bourdon gauge only indicates the gauge pressure.
What does a compound pressure gauge measure?
A compound pressure gauge measures both positive and negative pressures relative to atmospheric pressure. It typically consists of two pressure sensors, one for measuring positive pressure (above atmospheric pressure) and one for measuring negative pressure (below atmospheric pressure). This type of gauge is commonly used in applications where both types of pressure need to be monitored, such as in HVAC systems or industrial processes.
If air enters the intrapleural space?
The lung will collapse (atelectasis) because the negative intrapleural pressure gradient that keeps the lung inflated has is now at equilibrium with atmospheric pressure.
Why can cases of pop be stacked so high?
That is because the bottles containing the pop are particularly strong, have considerable internal pressure and can resist a fair amount of compressive stress.
When you place your finger on the plunger of a syringe containing some water it does not depress noticeably?
no it only depresses if you apply pressure. If the finger is just resting on it the liquid inside will remain there.
What is the redox reaction takes place in a dry-cell battery?
In a dry-cell battery, the redox reaction that takes place involves the oxidation of zinc (Zn) at the anode and the reduction of manganese dioxide (MnO2) at the cathode. The overall chemical reaction can be represented as: Zn(s) + MnO2(s) + H2O(l) -> ZnO(s) + Mn(OH)2(s).
How did William Crookes determine the nature of the beam in cathode ray tube?
In his investigations of the conduction of electricity in low pressure gases, William Crookes discovered that as the pressure was lowered, the negative electrode (cathode) appeared to emit rays (the so-called cathode rays, now known to be a stream of free electrons, and used in cathode ray display devices).
How current electricity moves in a circuit?
You need a source of electrical potential difference, also known as voltage (which is the technical term for what for you call "electric pressure"). The easiest and most common voltage source is a household battery. Hook up the positive electrode of the battery using a conductor (eg. a copper wire) to one end of your circuit and the negative electrode to the other end, and voila, you'll have electric current flowing through your circuit.
What is standard hydrogen electrode?
The standard hydrogen electrode (SHE) is a reference electrode used in electrochemistry to measure electrode potential. It consists of a platinum electrode in contact with a solution of hydrogen ions at unit activity and surrounded by hydrogen gas at a pressure of 1 bar. The SHE has an assigned potential of 0 V at all temperatures.
How is the electron flow different from conventional current?
The conventional current direction is the direction in which a positive charge would move. Since electrons are negatively charged, the electrons move (in average) in the opposite direction.AnswerBefore the structure of the atom was understood, scientists such as Benjamin Franklin believed that an electric current was a flow of some sort of mysterious 'fluid' that moved from an area of high pressure to an area of low pressure. The high pressure was considered to be 'positive' pressure and the low pressure was considered to be 'negative pressure'. So, for many years, current was believed to travel from positive to negative, but it had nothing to do with 'a flow of positive charge carriers' because no-one then knew about 'charge carriers'.Even though we now know that (in metallic conductors, anyway) that current is a flow of free electrons from negative to positive, for some weird reason many textbooks still show current as flowing from positive to negative! To differentiate between the two current directions, we use the terms 'electron flow', and 'conventional (or 'Franklinian') flow'.
How do you measure negative pressure?
Negative pressure is typically measured using a device called a manometer, which can accurately detect and quantify the pressure difference between the reference point and the negative pressure source. The manometer displays the pressure reading by using a fluid column that moves based on the pressure applied to it, providing a visual indication of the negative pressure level.
When was Negative pressure ventilator created?
Negative pressure ventilator was created in 1928.
Is electricity produced when electrons have been removed from an atom?
Not quite that simple. An atom would be positively charged in that case. Electricity is a flow of electrons in a material (electrons moving from one atom/molecule to another. The material has to be able to allow the flow of electrons and is usually called a conductor when it is able to do so (the opposite is an insulator when the material does not allow electrons to flow). Example - copper wire easily allows electrons to flow. To make the electrons flow an electrical pressure must be applied to the wire. Pressure can be produced chemically or mechanically. A battery is a chemical means of producing an electrical pressure. A battery contains a chemical and 2 electrodes (Put simply - bits of metal dipped into the chemical). One electrode is designated the positive and the other the negative. When the electrodes are connected together the chemical reaction in the battery causes electrons to flow in the chemical and they move to the negative terminal and out of the terminal into the conductor connecting the positive and negative terminals. When the terminals are not connected to anything there is no electricity but depending on the chemical and size/construction of battery there is a potential for electricity. For example a potential to produce a pressure of say 12 volts; where volts is the unit of measurement of potential difference (pd) in pressure - ie there is a potential pressure difference of 12V between the 2 electrodes. The mechanical means of producing electrical potential difference is achieved by moving a conductor in a magnetic field. The speed of movement and strength of magnetic field are 2 factors in what size of potential difference is created between the ends of the conductor. The mechanical device being an alternator to produce alternating electrical flow or a dynamow to produce flow in one direction only.
In an electric circuit why do the electrons go from the positive side of the battery to the negative side?
The short answer is that they don't. But that doesn't help you much. Electrons flow from the negative terminal to the positive terminal. Why? Negative and positive (opposite) charges attract each other, and like charges repel each other. So you can think of the positive charged end pulling electrons towards it, as well as the negative charged end pushing electrons away from it. Water makes a good analogy, the battery is a pump, so there is high pressure on the outlet of the pump ( the negative terminal ) through the pipes and whatnot, ( the wire and whatnot) to the inlet of the pump ( the positive charged end ).
When is intrapleural pressure most negative?
Intrapleural pressure is most negative at the completion of inspiration.
What is the direction of flow of conventional current?
from the more positive point to the less positive point in the circuit
Can you have negative pressure in a closed system?
Yes, negative pressure can exist in a closed system when the pressure inside the system is lower than the pressure outside.
