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What is the parts of fluorescent lamp and there functions?
A fluorescent lamp consists of a glass tube filled with mercury vapor and coated with phosphor. The tube is connected to electrodes at each end. When electricity is applied, the electrodes produce an arc, which excites the mercury vapor to produce ultraviolet light. The phosphor coating then converts the ultraviolet light into visible light.
What is a vacuum discharge tube?
A closed vessel having electrodes at either end and containing agas at low pressure. When a sufficient voltage is applied to theelectrodes, an electric current flows through the gas. Dischargetubes can be used to prevent current flow below a certainvoltage; they can also function as lamps by the use of ionizinggas, which glows when current flows through the tube.
How do potaoes conduct electricity?
Potatoes can conduct electricity because they contain water and electrolytes that allow charged particles to flow through them. The presence of ions in the potato helps to facilitate the movement of electric current. When metal electrodes are inserted into a potato and a voltage is applied, the ions in the potato allow for the flow of electricity between the electrodes.
Can there be a potential difference between two conductors that carry like charges of the same magnitude?
Yes, there can be a potential difference between two conductors that carry like charges of the same magnitude. This can occur if the conductors are at different potentials due to external influences or if the conductors are part of a circuit where there is a potential difference applied.
How does applied psychophysiology work?
Applied psychophysiology is the study of how psychological processes influence physiological functions, and how changes in physiological activity can impact psychological states. Through techniques such as biofeedback and neurofeedback, individuals can learn to control their physiological responses (such as heart rate or brain waves) to improve mental and physical well-being, manage stress, and enhance performance. This field helps individuals develop self-regulation skills by providing real-time feedback on their physiological responses.
How are electrodes applied in ECT?
The electrodes may be placed on both sides of the head (bilateral) or one side (unilateral)
Why are electrodes applied to the fleshy part of limbs?
to reduce AC interference
What is the voltage of an electiolytic cell with nickel and copper electrodes?
The voltage of an electrolytic cell with nickel and copper electrodes depends on the specific electrolyte used and the concentration of the solutions. Typically, nickel and copper electrodes can have a cell potential of around 0.3 to 0.5 volts when considering their standard reduction potentials. However, in an electrolytic cell, an external voltage is applied to drive the non-spontaneous reactions, which may exceed this value. The actual voltage required will depend on factors such as electrode surface area, temperature, and the specific setup of the cell.
What has the author S H Hoke written?
S. H Hoke has written: 'Flouride and iodide selective electrodes applied to oilfield brine analysis' -- subject(s): Analysis, Electrodes, Ion selective, Ion selective Electrodes, Oil field brines
What mean of the recording?
of Record, Keeping a record or a register; as, a recording secretary; -- applied to numerous instruments with an automatic appliance which makes a record of their action; as, a recording gauge or telegraph.
What is the meaning of recording?
of Record, Keeping a record or a register; as, a recording secretary; -- applied to numerous instruments with an automatic appliance which makes a record of their action; as, a recording gauge or telegraph.
Do electrodes provide moisture and aid in conduction?
Electrodes do not provide moisture themselves, but they can help conduct electrical impulses through the skin if they are wet or have a conductive gel applied to them. Moisture can improve the connection between the skin and the electrodes, allowing for better conductivity and more accurate readings.
How are evoked potential studies done?
The person performing the test locates and marks specific spots on the patient's head for placement of electrodes. These spots are cleaned, and an adhesive conducting paste is applied. Cup electrodes are attached. For somatosensory.
How is electrocariography performed?
patient disrobes from the waist up, and electrodes (tiny wires in adhesive pads) are applied to specific sites on the arms, legs, and chest. When attached, these electrodes are called leads; three to 12 leads may be employed for the procedure
How is electrocardiography performed?
patient disrobes from the waist up, and electrodes (tiny wires in adhesive pads) are applied to specific sites on the arms, legs, and chest. When attached, these electrodes are called leads; three to 12 leads may be employed for the procedure
How do ions become molecules at the electrodes?
Ions can become molecules at the electrodes through electrodeposition or electrochemical reduction or oxidation processes. When a specific voltage is applied across the electrodes, ions gain or lose electrons, leading to the formation of neutral molecules. This can occur when ions react with other species present at the electrodes or in the electrolyte.
How will lotion effect emg?
Lotions, oils and other topical stuff can cause problems with your EMG test in 2 different ways. First, they can cause the sticker-like electrodes not to stick & this can be quite frustrating to the person doing your EMG examination. Second, your lotion can cause something called impedance mismatch, which results in crazy looking activity that will interfere with you doctor being able to obtain useful information.
