0
The resistance of materials is primarily affected by temperature, material composition, length, and cross-sectional area. As temperature increases, resistance typically increases for most conductors. Additionally, materials with higher resistivity, such as insulators, exhibit greater resistance. The length of the conductor directly impacts resistance, with longer materials having higher resistance, while a larger cross-sectional area reduces resistance.
What else can I help you with?
What is the difference between on and off state resistance?
On Circuit Resistance = Close to the total load Resistance. Off Circuit Resistance = Near Infinitive High Resistance.
State 3 functions of wheatstone bridge?
Wheatstone bridge is used to calculate the resistance of unknown resistor in the circuit.
What is the resistance of SCR anode and Cathode?
The resistance of a Silicon Controlled Rectifier (SCR) anode and cathode is typically very low when the SCR is in the forward conducting state, allowing current to flow easily. In the reverse state, the resistance is very high, effectively blocking current flow. The exact resistance values can vary based on the specific SCR model and operating conditions, but the general principle remains the same: low resistance in the forward direction and high resistance in the reverse direction.
State The rules of connecting voltmeter and ammeters in the circuit?
In a circuit, a voltmeter is connected in parallel across the component whose voltage is to be measured, ensuring it has a high resistance to minimize its impact on the circuit. Conversely, an ammeter is connected in series with the circuit component to measure the current flowing through it, and it should have a low resistance to avoid affecting the circuit's operation. This configuration allows for accurate measurements of voltage and current without significantly altering the circuit's behavior.
True or false a high resistance between the collector and emitter when a transistor is switched off?
yes , it has high resistance between collector and emitter on the off state.
What are factors affecting internal resistances?
Internal resistance in a battery is influenced by several factors, including temperature, state of charge, and the materials used in the battery's construction. Higher temperatures can reduce internal resistance, while lower temperatures may increase it. Additionally, the age and cycle life of the battery, as well as the physical and chemical changes occurring within the electrodes and electrolyte, can also significantly impact internal resistance. Lastly, the design and configuration of the battery, such as electrode surface area and thickness, play a crucial role in determining internal resistance.
What are Factors affecting state of a substance?
Factors affecting the state of a substance include temperature, pressure, and the intermolecular forces between the particles of the substance. Changes in these factors can lead to a substance transitioning between solid, liquid, and gas states.
What are the factors affecting interstate railways services in Australia?
Each State as different railway gauges. MF
What factors affect the cell capacity of a battery?
Several physical factors affect the capacity, including the quantity of active materials; the number, design, and the dimensions of the plates; and the electrolyte concentration. Operational factors affecting capacity include discharge rate, charging method, temperature, age, and conditions of the cell or battery.
What are the factors affecting the behavior?
Consumer behavior is affected by the earning power of the consumers. That means it is affected by the state of the economy.
What call materials with a resistance of 0?
Materials with zero resistance are called superconductors, which allow electrical current to flow through them without any loss of energy. Superconductors display this property at very low temperatures, reaching a state of zero electrical resistance known as superconductivity.
What are the factors affecting consumer behavior?
Consumer behavior is affected by the earning power of the consumers. That means it is affected by the state of the economy.
What are the factors that affecting price?
earnings and growth prospects,news of new products or planned services and the general state of the economy
What are the factors affecting the states of matter?
Factors affecting states of matter include temperature, pressure, and intermolecular forces. As temperature increases, substances can change from solid to liquid to gas. Pressure can also affect the state of matter, with higher pressure favoring a more condensed state. Intermolecular forces determine how tightly particles are held together in a substance, influencing its state.
How do we calculate the cold resistance of the bulb?
The cold resistance of a bulb can be approximated by measuring the resistance of the filament with a multimeter when the bulb is turned off and at room temperature. The resistance measured in this state can give an estimation of the cold resistance of the bulb. Keep in mind that this value may not be exact due to factors like the temperature coefficient of resistance and the non-linear behavior of the filament's resistance.
What will the electric resistance of certain materials know as superconductors to suddenly decrease to essentially zero?
The phenomenon where the electric resistance of superconducting materials suddenly drops to zero is called superconductivity. This occurs when the material is cooled below a critical temperature, specific to each material, at which it transitions into a superconducting state. In this state, the material can conduct electricity without any loss of energy due to resistance.
Factors affecting the evaporation of water?
Evaporation occurs when water particles become agitated enough that they shift from water state to gaseous state. This phenomenon occurs when water is heated or put under huge amounts of pressure.
