Resistance is a measure of the opposition to current flow in an electrical circuit . Resistance is measured in ohms, symbolized by the Greek letter omega (Ω). ... Conductors: Materials that offer very little resistance where electrons can move easily.
What is an easy definition for resistance?
Resistance is a measure of the opposition to current flow in an electrical circuit . Resistance is measured in ohms, symbolized by the Greek letter omega (Ω). ... Conductors: Materials that offer very little resistance where electrons can move easily.
What is an example of a resistance?
The act or an instance of resisting or the capacity to resist. Resistance is defined as a refusal to give in or to something that slows down or prevents something. An example of resistance is a child fighting against her kidnapper . An example of resistance is wind against the wings of a plane.
What does resistant mean?
: opposed to something : wanting to prevent something from happening . : not affected or harmed by something. See the full definition for resistant in the English Language Learners Dictionary. resistant.
What does resisting mean?
: to exert force in opposition . transitive verb. 1 : to exert oneself so as to counteract or defeat he resisted temptation. 2 : to withstand the force or effect of material that resists heat. resist.
What is a use of resistance?
In electronic circuits, resistors are used to reduce current flow, adjust signal levels , to divide voltages, bias active elements, and terminate transmission lines, among other uses.
What causes resistance?
An electric current flows when electrons move through a conductor, such as a metal wire. The moving electrons can collide with the ions in the metal. This makes it more difficult for the current to flow, and causes resistance.
What is a good sentence for resistance?
Examples of resistance in a Sentence
Noun They have shown a stubborn resistance to change . The troops met heavy resistance as they approached the city. The paint shows good weather resistance. Over time the patient could develop a resistance to the drug.
What is a good resistance reading?
It automatically subtracts test lead resistance—typically 0.2 Ω to 0.5 Ω. Ideally, if test leads touch (are shorted together), the display should show 0 Ω . ... Read the measurement on the display.
What are the disadvantages of resistance training?
- angle specific.
- limited use in sports.
- limited strength and endurance gains.
- cannot monitor intensity.
- large increases in blood pressure.
What are examples of antibiotic resistance?
Examples of bacteria that are resistant to antibiotics include methicillin-resistant Staphylococcus aureus (MRSA) , penicillin-resistant Enterococcus, and multidrug-resistant Mycobacterium tuberculosis (MDR-TB), which is resistant to two tuberculosis drugs, isoniazid and rifampicin.
What is a resistant material?
Resistant Materials refer to a group of materials that are grouped together because they show certain common characteristics . These characteristics include: tensile strength, compressive resistance, hardness, malleability, ductility, elasticity, grain.
What does it mean if an antibiotic is resistant?
Antibiotic resistance happens when germs like bacteria and fungi develop the ability to defeat the drugs designed to kill them. That means the germs are not killed and continue to grow . Infections caused by antibiotic-resistant germs are difficult, and sometimes impossible, to treat.
Who can resist meaning?
The verb resist comes from the Latin word resistere, meaning “to take a stand,” or “ withstand .” People who are able to put up a wall — be it mental, physical, philosophical, emotional, or otherwise — to defend themselves or their group against a threat can be said to resist.
Can’t resist myself meaning?
DEFINITIONS3. intransitive/transitive often in negativesto stop yourself from doing something that you would very much like to do. It’s difficult to resist a challenge like that. resist doing something: She couldn’t resist asking him about his date.
How do you resist something?
Sometimes, fixating on what’s tempting you can make it harder to resist. Instead, research has shown that distracting yourself by doing something fun or that engages your mind can help fight temptation. You might try meditating, yoga, going for a jog, or meeting up with friends.
