What is EMF of cell class 12?

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What is battery cell class 12?

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What is the law of EMF Class 12?

What is the law of EMF Class 12?
Answer : In Class 12, the law of EMF typically refers to **Faraday's Law of Electromagnetic Induction**. This law explains how an electromotive force (EMF) is induced in a conductor when it experiences a change in ... . Does that help clear things up? Let me know if you'd like more examples or details!...

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What is EMF of Class 12?

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What is the difference between current and emf Class 12?

What is the difference between current and emf Class 12?
Answer : In Class 12 physics, **current** and **electromotive force (emf)** are two important concepts related to electricity. Here's a simple explanation of the difference: ### 1. **Current (I):** - * ... battery to a conductor, **current** will flow through the circuit due to the energy the emf provides....

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What is the emf in physics class 12 formula?

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What is the emf of a cell or battery?

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Why the emf of a cell is always greater than its terminal potential difference?

Why the emf of a cell is always greater than its terminal potential difference?
Answer : The electromotive force (emf) of a cell is always greater than its terminal potential difference due to the internal resistance of the cell. Let me explain this in simple terms: 1. * ... internal resistance causes a voltage drop, and the terminal potential difference becomes smaller than the emf....

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Does terminal potential of a cell is equal to emf?

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Why terminal potential difference is less than the emf of the cell?

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What is the symbol for EMF of a cell?

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What is the SI unit of an EMF cell?

What is the SI unit of an EMF cell?
Answer : The SI unit of the electromotive force (EMF) of a cell is the **volt (V)**. EMF represents the energy provided per charge (usually per coulomb of charge) by a source like a battery or cell. So, when a ... charge, the cell provides 1 joule of energy. In short, the unit of EMF is the **volt (V)**....

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Why is the emf of a cell always greater than its terminal voltage?

Why is the emf of a cell always greater than its terminal voltage?
Answer : The electromotive force (emf) of a cell is always greater than its terminal voltage due to the internal resistance of the cell. Here's how it works: 1. **Emf (Electromotive Force):** This ... the circuit. That's why the emf is always greater than the terminal voltage in a practical situation....

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Why terminal potential is less than the emf of a cell?

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Is the terminal potential difference of a cell equal to EMF?

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Why is the EMF of a cell always greater than the potential difference?

Why is the EMF of a cell always greater than the potential difference?
Answer : The **electromotive force (EMF)** of a cell is the maximum potential difference the cell can provide when no current is flowing. In contrast, the **potential difference** is the actual ... no current flows) is always greater than the potential difference across the terminals when current is flowing....

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Why is the emf of a cell greater than the terminal potential difference when the cell is used to supply current to an external resist?

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What is the difference between emf and terminal voltage of a cell?

What is the difference between emf and terminal voltage of a cell?
Answer : The **electromotive force (EMF)** and **terminal voltage** of a cell are related but different concepts in electrical circuits. Here's the key difference: 1. **EMF (Electromotive Force)** - ... *), terminal voltage **drops** due to internal resistance. Would you like an example to clarify? ��...

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Why the emf of a cell is always greater than the terminal voltage?

Why the emf of a cell is always greater than the terminal voltage?
Answer : The electromotive force (emf) of a cell is always greater than its terminal voltage because of the **internal resistance** of the cell. Here's how it works: 1. **Emf**: This is the total ... of that energy is "lost" to the internal resistance of the cell, causing the terminal voltage to be lower....

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Under what condition is the emf of a cell less than the terminal potential difference?

Under what condition is the emf of a cell less than the terminal potential difference?
Answer : The electromotive force (emf) of a cell is less than the terminal potential difference (V) when there is a **current flowing through the circuit** and the cell has some internal resistance ... resistance causes a voltage drop within the cell, reducing the terminal voltage compared to the emf....

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What is the difference between emf of cell and cell potential?

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Why is the terminal voltage of a cell less than emf?

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Why the terminal potential difference of a cell is always less than its emf?

Why the terminal potential difference of a cell is always less than its emf?
Answer : The terminal potential difference of a cell is always less than its electromotive force (emf) because of the **internal resistance** of the cell. Here's how it works: 1. **Emf of a Cell** ... less than the emf because of the energy lost due to the internal resistance of the cell when current flows....

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Is the terminal potential difference of a cell equal to emf?

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Why the emf of a cell is greater than its terminal voltage?

Why the emf of a cell is greater than its terminal voltage?
Answer : The electromotive force (emf) of a cell is the maximum potential difference it can provide when no current is flowing through the circuit. On the other hand, the terminal voltage is the potential difference ... is flowing, there is no voltage drop, and the terminal voltage is equal to the emf....

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Why is the emf of the cell always positive?

Why is the emf of the cell always positive?
Answer : The electromotive force (emf) of a cell is always positive because it represents the potential difference between the positive and negative terminals of the cell, which drives the flow of electric ... ) to the positive terminal (higher potential), which is by convention considered a positive value....

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Why terminal potential difference is less than the emf of a cell?

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Is terminal potential difference equal to the emf of a cell justify your answer?

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Why the potential difference across the terminals of a cell is less than its emf when a current is drawn from it?

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Can the terminal potential difference of a cell exceed its emf?

Can the terminal potential difference of a cell exceed its emf?
Answer : No, the terminal potential difference (V) of a cell cannot exceed its electromotive force (emf, \( E \)). Here's why: - The **emf** of a cell is the maximum potential ... emf. The terminal potential difference can never exceed the emf because the internal resistance always causes a voltage drop....

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What is difference between emf and terminal potential difference of a cell?

What is difference between emf and terminal potential difference of a cell?
Answer : The **electromotive force (emf)** and **terminal potential difference (TPD)** are both related to the voltage of a cell, but they are not the same thing. Here's the difference between them ... potential difference** is the "real" voltage you measure when the cell is actually powering a circuit....

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Why is terminal velocity of a cell less than its emf?

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Why the emf of a cell is always greater than its terminal voltage?

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Why is terminal potential difference always less than emf of the cell?

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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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Are cell potential and EMF the same?

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Can cell EMF be negative?

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What is the difference between cell potential and emf?

What is the difference between cell potential and emf?
Answer : The difference between **cell potential** and **EMF (Electromotive Force)** lies in the conditions under which they are measured: 1. **Electromotive Force (EMF, \( E_{cell} \))** - ... quotient and \( n \) is the number of electrons transferred. Would you like an example calculation? ...

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What are the applications of eddy current class 12?

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What are the advantages of eddy current Class 12?

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What is application of eddy current Class 12?

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What are the two advantages of eddy current Class 12?

What are the two advantages of eddy current Class 12?
Answer : Eddy currents have two main advantages: 1. **Induction Heating**: Eddy currents can be used for heating purposes. When an alternating magnetic field is applied to a conductor, it generates ... how eddy currents can be useful in various practical applications, such as heating and braking systems....

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What are the two disadvantages of eddy current Class 12?

What are the two disadvantages of eddy current Class 12?
Answer : In Class 12, when studying **eddy currents**, two main disadvantages are typically highlighted: ### 1. **Energy Loss (Heat Generation)** Eddy currents can cause unwanted energy ... two disadvantages are why engineers work to minimize eddy current effects, especially in high-efficiency devices....

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What is the rule of thumb class 12?

What is the rule of thumb class 12?
Answer : In the context of Class 12, "Rule of Thumb" refers to a general principle or guideline that simplifies decision-making or problem-solving, often based on experience rather than precise measurement or detailed ... rule of thumb in a particular subject (like physics or math), feel free to clarify!...

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What is the formula of EMI Class 12 physics?

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What is the state of Lenz's law Class 12?

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What is the significance of Lenz law class 12?

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What is the law of conservation of mass Class 12?

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What is law of conservation of charge class 12?

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What is the expression of Lenz law class 12?

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What is the state of Lenz's law of electromagnetic induction Class 12?

What is the state of Lenz's law of electromagnetic induction Class 12?
Answer : Lenz's Law is a principle in electromagnetism that helps us understand how induced currents behave in a conductor when it experiences a change in magnetic flux. It is a crucial ... predict the direction of induced currents and ensures that energy is conserved in electromagnetic induction processes....

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What is EMF of cell class 12?

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