Quick Answer: What Is The Difference Between Resistance And Load?

What is the internal resistance of a 12v car battery?

0.02 ohmsThe internal resistance of a 12 volt car battery is 0.02 ohms.

What is the maximum power it can deliver.

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The internal resistance of a 12 volt car battery is 0.02 ohms..

Are LED lights a resistive load?

Since LEDs and LED drivers have non-resistive loads, and the current required is lower than the holding current of the TRIAC in the dimmer. … Also as the load is now different, the dimming characteristic is a little different so there isn’t the same light intensity or light output, said Anumula.

Is a fan a resistive load?

Lightbulbs, toasters, electric hot water heaters, and so on are resistive loads. … All electrical loads that have a coil of wire to produce the magnetic field are called inductive loads. Examples of inductive loads are fans, vacuum cleaners, and many other motorized devices.

What is inductive load example?

Reactive/Inductive Load – An inductive load converts current into a magnetic field. Inductive reactance resists the change to current, causing the circuit current to lag voltage. Examples of devices producing reactive/inductive loads include motors, transformers and chokes.

What causes internal resistance?

Sulfation and grid corrosion are the main contributors to the rise of the internal resistance with lead acid. Temperature also affects the resistance; heat lowers it and cold raises it. Heating the battery will momentarily lower the internal resistance to provide extra runtime.

What is the meaning of load resistance?

Load Resistance Defined At the most basic level, load resistance is the cumulative resistance of a circuit, as seen by the voltage, current, or power source driving that circuit. … Everything between the “place where the current goes out” and “the place where the current comes in” contributes to load resistance.

What is the difference between resistance and internal resistance?

Internal resistance is the resistance within a battery, or other voltage source, that causes a drop in the source voltage when there is a current. … External resistance or simply called Resistance is generally referred as the opposition to the flow of current offered by any load.

Is load equal to force?

Force is a measure of the interaction between bodies. … Force is known as a vector quantity, as it has both direction and magnitude. Load. Load is a term frequently used in engineering to mean the force exerted on a surface or body.

How do you calculate load resistance?

Use Ohm’s Law to determine the total resistance. The following formula is used to determine the total resistance in a circuit when both current and voltage are known: R = V / I, where R = Resistance, V = Voltage, and I = Current.

What is the formula for calculating load?

real power (KW)+ reactive power (KVAR) = Apparent power (KVA). This is not the conventional addition, these are vectors on the imaginary plane. to calculate load you will use the formula P=IV where P is the total apparent power. If you know what the voltage is and the current then you know P, there is your KVA.

What is the load?

noun. anything put in or on something for conveyance or transportation; freight; cargo: The truck carried a load of watermelons. the quantity that can be or usually is carried at one time, as in a cart. … a great quantity or number: loads of fun; loads of people. the charge for a firearm.

What is minimum load resistance?

The minimum load is usually the highest resistance that draws the least current from the supply. When the minimum load conditions are not met, the power supply may experience some instability such as flickering and shutdowns. The minimum load for resistive load can be calculated if the minimum current is known.

What is internal resistance formula?

Internal resistance is measured in Ohms. … The relationship between internal resistance (r) and emf (e) of cell s given by. e = I (r + R) Where, e = EMF i.e. electromotive force (Volts), I = current (A), R = Load resistance, and r is the internal resistance of cell measured in ohms.

What is type of load?

The types of loads acting on structures for buildings and other structures can be broadly classified as vertical loads, horizontal loads and longitudinal loads. The vertical loads consist of dead load, live load and impact load. The horizontal loads comprises of wind load and earthquake load.

What is an example of a load?

An electrical load is an electrical component or portion of a circuit that consumes (active) electric power. This is opposed to a power source, such as a battery or generator, which produces power. In electric power circuits examples of loads are appliances and lights.

What is internal and external resistance?

internal resistance is the rsisitance offered by the electrolyte to the flow of electrons. external resistance is the resistance offered to the flow of electricity in the external circuit.

What are examples of resistive loads?

Two common examples of resistive loads are incandescent lamps and electric heaters. Resistive loads consume electrical power in such a manner that the current wave remains in phase with the voltage wave. That means, power factor for a resistive load is unity.

What is the use of load resistance?

The load resistance in a circuit is the effective resistance of all of the circuit elements excluding the emf source. In energy terms, it can be used to determine the energy delivered to the load by electrical transmission and there appearing as internal energy to raise the temperature of the resistor.