What is the relationship between power and resistance ?

What is the relationship between power and resistance ?
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1 Answer

Answer :

Power , resistance to P , relation to R : Proportional when P = I ^ 2 * R again disproportionate when P = V ^ 2 / R
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Last Answer : The combined resistance due to ohmic resistance , skin effect , eddy current loss , die-electric caused by any conductor in AC circuit is called effective resistance.

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Last Answer : Answer : The coefficient of heat is the amount of radh that increases with the increase in temperature per ohm of radh.

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Last Answer : Relative resistance is expressed by Wm .

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Description : What is the resistance of the conductor ?

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Last Answer : Copper relative resistance 4.2x10 ^ -8 Wm .

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Last Answer : There are two sources of resistance. In case of class circuit : Rs = R1 + R2 + R3 + In case of parallel circuit : 1 / Rp = 1 / R1 + 1 / R2 + 1 / R3 +

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Description : Which substance loses its resistance to temperature rise ?

Last Answer : Increasing the temperature increases the resistance of all conductors. This is because as the temperature increases, the vibrations of the atoms inside the conductor increase. Exceptions: But ... case of carbon and conductive materials, increasing the temperature reduces the conductive resistance.

What do we know from temperature and resistance ?

Description : What do we know from temperature and resistance ?

Last Answer : When electricity is transmitted through a wire, the obstacle is the resistance. In other words , resistance is the obstruction of electrons in the wire . Depending on the temperature. So we know that if the resistance increases, the temperature rises.

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Description : What effect does increased heat loss have on resistance ?

Last Answer : As the heat decreases, the resistance decreases. Note: In the case of semiconductors, the resistance increases as the heat decreases. As the heat increases, the resistance increases.

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Description : What is the best economic power factor ?

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Description : What happens if the value of power factor is low ?

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Description : What is the Leading Power Factor ?

Last Answer : When the capacitive load of an AC circuit exceeds the inductive load , the pf of the circuit is called the leading pf . Thank you!

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Description : What is Lagging Power Factor ?

Last Answer : When the inductive load of an AC circuit exceeds the capacitive load , the pf of the circuit is called lagging pf .

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Description : Write the maximum power transfer theorem ?

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Description : What is Unity Power Factor ?

Last Answer : There is no angular gap between current and voltage in pure resistance. That is, the phase angle of current and voltage is φ = 0, the power factor of that circuit is one or unit. This is called Unity Power Factor.

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Description : What is the leading power factor ?

Last Answer : When the amount of capacitive load is more than the inductive load in a circuit then the power factor of that circuit is called leading power factor.

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Description : What is lagging power factor ?

Last Answer : When the amount of inductive load is greater than the capacitive load in a circuit then the power factor of that circuit is called lagging power factor.

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Description : What is the power factor in pure resistive , capacitive , inductive load ?

Last Answer : Answer : Power factor cosΦ = 1 in pure resistive load, cosΦ = 0 in capacitive load , cosΦ = 0 in inductive load .

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Description : What is Reactive Power ?

Last Answer : The product of the voltage of the AC circuit and the product of the reactive current or the vertical component of the current is called reactive power.

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Description : How many types of power factor ?

Last Answer : Three types , namely , 1) lagging power factor , 2) leading power factor , 3) unity power

Active Power Depends on What Matters. ?

Description : Active Power Depends on What Matters. ?

Last Answer : Active power : Depending on current , voltage and power factor.

What is lagging power factor ?

Description : What is lagging power factor ?

Last Answer : The cosine value of the phase angle between current and voltage in an inductive circuit is called lagging power factor.

How many types of power in AC circuit ?

Description : How many types of power in AC circuit ?

Last Answer : Three types of power in AC circuit. Namely , 1) actual power , 2) reactive power , 3) apparent power.

What is Power Factor ?

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Last Answer : The phase factor or the cosine value of the angular interval between the voltage and current of an AC circuit is called the power factor.

When is the power factor lagging , leading , unity ?

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Last Answer : Power factor lagging in inductive load. Power factor leading in capacitive load is power factor unity in resistive load.

What is Active Power ?

Description : What is Active Power ?

Last Answer : The product of voltage and active current of AC circuit is called active power or actual power.

What is solar power and how does solar power work ?

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Last Answer : The main part of solar power is solar panel. Without it the whole part is void

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Last Answer : The energy that is obtained from the sun is called solar energy.

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Last Answer : The cosine angle between voltage and current is called power factor

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Last Answer : Electric power is expressed by P.

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Last Answer : The formula for circuit power is P = V * I watt here , P is power V is voltage I is current.

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Description : What is electric power ?

Last Answer : The rate at which electric power is used is called electrical power.

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Description : What is the relation of voltage with power ?

Last Answer : Power is proportional to P, voltage to V. For example: P = VI, P = V ^ 2 / R , that is, if the voltage increases, the power will increase.

What is the relation of current with power ?

Description : What is the relation of current with power ?

Last Answer : The relationship of power , P to current , I is proportional. For example: P = VI, P = I ^ 2 * R

What is the value of power factor ?

Description : What is the value of power factor ?

Last Answer : The value of power factor is Cos Theta

What is the power factor expressed by ?

Description : What is the power factor expressed by ?

Last Answer : The power factor is expressed by cos theta.

What is Leading Power Factor ?

Description : What is Leading Power Factor ?

Last Answer : If the current in the AC circuit is ahead of the voltage, it is called leading power factor.