Is EMF a force or energy?

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Is emf is really a force?

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Why is emf called a force?

Why is emf called a force?
Answer : Electromotive force (emf) is called a "force" because it is the driving force that causes the movement of electric charge in a circuit. Even though it's not a force in the traditional sense ... it performs the same function as a force-it drives the movement of charges, creating an electric current....

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Is EMF really a force?

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Why is EMF called a force?

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Is EMF a voltage or energy?

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What is the difference between electromotive force (EMF) and potential difference?

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Is the electromotive force emf the maximum potential difference between the terminals of the battery?

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What is the SI unit of force and energy?

What is the SI unit of force and energy?
Answer : The SI unit of **force** is the **newton (N)**. 1 newton is the force required to accelerate a 1-kilogram object by 1 meter per second squared. Its formula is: \[ 1 \, \text{N} = 1 \, \text{kg} \cdot \ ... \, \text{J} = 1 \, \text{N} \cdot \text{m} \] So, 1 joule is equivalent to 1 newton meter....

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What is dielectric constant or relative permittivity in terms of force?

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Is EMF a scalar or a vector?

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What is the emf of a cell or battery?

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Why terminal potential of a cell (or a battery) is always less than its emf ?

Why terminal potential of a cell (or a battery) is always less than its emf ?
Answer : The terminal potential (or terminal voltage) of a cell or battery is always less than its electromotive force (EMF) because of the internal resistance of the cell or battery. Here's a simple ... is always less than the EMF by an amount that depends on the current and the internal resistance....

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How to know if emf is negative or positive?

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Is back eMF positive or negative?

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Is EMF current or voltage?

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Is EMF good or bad?

Is EMF good or bad?
Answer : Electromagnetic fields (EMF) can be both good and bad, depending on the type and level of exposure. Let's break it down: ### **Good Uses of EMF:** 1. **Medical Applications: ... good idea to follow safety guidelines for using devices like cell phones or microwaves to minimize unnecessary exposure....

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Is EMF scalar or vector?

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Is EMF AC or DC?

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Is back emf AC or DC?

Is back emf AC or DC?
Answer : Back EMF (Electromotive Force) can be either **AC (Alternating Current)** or **DC (Direct Current)**, depending on the type of motor or system you're dealing with. - **In DC motors**: Back EMF is ... So, whether back EMF is AC or DC depends on the motor's type and the nature of the supply current....

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Is induced emf positive or negative?

Is induced emf positive or negative?
Answer : Induced electromotive force (emf) can be either positive or negative, depending on the direction of the change in magnetic flux. In **Faraday's Law of Induction**, the induced emf is ... positive or negative depending on how the magnetic field changes and the direction of the induced current....

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Is emf good or bad?

Is emf good or bad?
Answer : Electromotive force (EMF) itself isn't inherently "good" or "bad" - it depends on how it is used and the context in which it appears. ### What is EMF? EMF is the force that causes ... high levels of electromagnetic radiation over time. So, whether EMF is good or bad depends on the situation!...

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Is emf scalar or vector?

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Is emf always less than PD True or false?

Is emf always less than PD True or false?
Answer : False. The electromotive force (emf) is not always less than the potential difference (PD). In an ideal situation (such as in a perfect battery with no internal resistance), the emf and the potential difference ... ), the PD equals the emf. But when current flows, the PD can be less than the emf....

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Which is greater emf or terminal potential difference?

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Which one is greater emf or terminal potential difference and why?

Which one is greater emf or terminal potential difference and why?
Answer : The **electromotive force (emf)** of a source is typically greater than the **terminal potential difference** (also called the terminal voltage) when there is a current flowing through the circuit. ### Here's ... \] So in this case, the terminal voltage is 10V, which is less than the emf of 12V....

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Why terminal voltage is greater than emf when battery is charging or discharging?

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How does a strain gauge measure force?

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What is the purpose of a strain gauge in force measurement?

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Is voltage a force?

Is voltage a force?
Answer : Voltage is often referred to as "electrical potential difference," and while it may seem similar to the concept of force, they are not exactly the same. **Voltage** can be thought of as the " ... a role in generating a force that causes charges to move, which is what we observe as electric current....

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Is moment of force a vector?

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Is force a vector quantity?

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Is Spring force a vector?

Is Spring force a vector?
Answer : Yes, spring force is a vector. A **vector** is a quantity that has both **magnitude** (how much) and **direction** (which way). Spring force is no different because it depends ... opposite direction to the displacement. Since it has both magnitude and direction, spring force is indeed a vector....

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Is electrostatic force a vector?

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Is force field a vector?

Is force field a vector?
Answer : Yes, a **force field** is a vector field. A **force field** represents a region in space where a force is applied to an object at every point in that region. Since force has both a ... towards the center of the Earth, with a magnitude that decreases with the square of the distance from the center....

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Is tension force a vector?

Is tension force a vector?
Answer : Yes, tension force is a vector. A vector is a quantity that has both magnitude (how strong the force is) and direction (which way the force is acting). Tension is the force that is ... So, just like any other force, tension has both magnitude and direction, making it a vector quantity....

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Is electromotive force is the maximum potential difference between the terminals of a battery?

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What is a unit of force?

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What is the proper way to install wiring for a home automation system in a passive house or net-zero energy building?

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Is the energy stored in a battery AC or DC?

Is the energy stored in a battery AC or DC?
Answer : The energy stored in a battery is **DC (Direct Current)**. Batteries store electrical energy as DC because they produce a constant flow of electrons in one direction. When you connect a ... how electricity is typically distributed from power plants to homes, but that's not how batteries work....

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Is oil a primary or secondary energy?

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What is Fleming's left hand rule and Lorentz force?

What is Fleming's left hand rule and Lorentz force?
Answer : ### Fleming's Left-Hand Rule: Fleming's Left-Hand Rule is a simple way to determine the direction of the force acting on a current-carrying conductor placed in a magnetic field. This rule is primarily used in motors to figure ... **\(\mathbf{F} = q(\mathbf{E} + \mathbf{v} \times \mathbf{B})\)**....

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What is Lorentz's law force?

What is Lorentz's law force?
Answer : Lorentz force is the force exerted on a charged particle when it moves through an electromagnetic field. It's a combination of two forces: the electric force and the magnetic force. The formula for ... us how a charged particle will move when it is in the presence of electric and magnetic fields....

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What is called dynamic electromotive force?

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What is dynamic electromotive force?

What is dynamic electromotive force?
Answer : Dynamic electromotive force (emf) refers to the emf induced in a circuit due to a change in the magnetic field around it, according to **Faraday's Law of Electromagnetic Induction**. In ... happens whenever there's a change in the magnetic environment, causing current to flow in a conductor....

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What is the formula for force in EMI?

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What is the formula for the Lenz law force?

What is the formula for the Lenz law force?
Answer : Lenz's Law describes how the direction of an induced current (and thus the magnetic force) is such that it opposes the change in the magnetic flux that caused it. The law itself doesn't have a single " ... in flux (for example, the movement of a magnet or the change in current in a nearby coil)....

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What is Lenz force?

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What is Lorentz Force class 12?

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What is the relationship between flux density and force?

What is the relationship between flux density and force?
Answer : The relationship between flux density and force primarily comes from the way a magnetic field interacts with a current-carrying conductor. This relationship is fundamental to understanding the operation ... motors, where the force generated by magnetic fields is used to produce rotational motion....

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What is the relation between electric field intensity and force?

What is the relation between electric field intensity and force?
Answer : The relationship between electric field intensity and force is based on the idea that an electric field exerts a force on a charged object placed within it. Here's how they are related: 1. **Electric ... . Similarly, if the electric field \(E\) increases, the force on the charge will also increase....

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Is EMF a force or energy?

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