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What does v stand for in physics?
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What does Hg stand for in batteries?
Answer : In batteries, **Hg** stands for **mercury**. Mercury is a chemical element with the symbol Hg and atomic number 80. It was once used in certain types of batteries, like mercury button ... it's likely referring to the presence of mercury, though modern batteries typically do not contain it anymore....

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What does Z stand for in AC circuit?
Answer : In an AC (alternating current) circuit, **Z** stands for **impedance**. Impedance is a measure of how much a component or a combination of components resists the flow of alternating current (AC). It's ... and the reactance to give the total opposition to AC current, and it is measured in ohms (Ω)....

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What is v bar in physics?
Answer : In physics, **v-bar** (often written as **v̅**) typically refers to the **average velocity** of an object over a certain period of time. It's calculated as the total displacement (change in position) ... in time. So, v-bar gives you a sense of the overall motion, averaged over the time interval....

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What does NAND stand for?
Answer : NAND stands for **NOT AND**. It is a logic gate that is the opposite of an AND gate. In a NAND gate, the output is **false (0)** only when **all inputs are true (1)**. For any ... So, the NAND gate gives the inverse of the AND gate output. It's one of the fundamental gates in digital electronics....

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What does ω stand for?
Answer : In electrical engineering and physics, the symbol **ω** (lowercase omega) typically stands for **angular frequency**. It is used to describe how fast something is oscillating or rotating. ... , like representing the natural frequency of a system or the speed of rotation in rotational motion....

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What does ABCD 2 stand for?
Answer : **ABCD 2** stands for "**Any Body Can Dance 2**." It is the sequel to the 2013 Bollywood dance film *ABCD: Any Body Can Dance*. Directed by Remo D'Souza, *ABCD 2* was released ... is known for its high-energy dance performances and has a cast including Varun Dhawan, Shraddha Kapoor, and Prabhu Deva....

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What does Z stand for circuits?
Answer : In circuits, **Z** typically stands for **impedance**. Impedance is the measure of how much a circuit resists the flow of alternating current (AC). It's similar to resistance (denoted as R) in ... ). In AC circuits, Z is important because it influences how voltage and current relate to each other....

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What does abcd stand for?
Answer : The term "ABCD" can have different meanings depending on the context in which it's used. Here are a few common interpretations: 1. **ABCD in Mathematics**: It often refers to a set of points, ... If you're referring to a specific context, let me know, and I can help narrow it down further!...

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What does MOSFET stand for?
Answer : MOSFET stands for **Metal-Oxide-Semiconductor Field-Effect Transistor**. Here's a breakdown of the name: - **Metal**: Refers to the conductive material used for the gate of the ... and amplification. It's one of the key components in digital electronics like computers and mobile devices....

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What does DC and AC stand for?
Answer : DC stands for **Direct Current**, and AC stands for **Alternating Current**. - **Direct Current (DC)**: In DC, the electric charge flows in one direction only. It's a constant flow ... appliances. So, the main difference is that DC flows in one direction, while AC switches direction periodically....

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What is the formula for electrochemical equivalent in physics?

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What is the significance of the I-V curve for LEDs?

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What is the SI unit for 1 V?
Answer : The SI unit for **1 Volt (V)** is **1 Joule per Coulomb (J/C)**. In simple terms: - **Volt (V)** is the unit of electric potential difference. - **Joule (J)** is the unit of ... of electric charge. So, 1 Volt means that 1 Joule of energy is used to move 1 Coulomb of charge between two points....

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What is the formula for V out?
Answer : To provide you with the formula for \( V_{\text{out}} \), I need more context about the circuit or configuration you're referring to. There are many types of circuits where \( V_{\text{out}} ... a specific circuit in mind, feel free to share the details, and I can provide a more tailored formula!...

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A single phase wattmeter rated for 500 V; 5 A is having full scale deflection of 1000 watt. What is multiplying factor of the wattmeter?

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A moving coil instrument gives full scale deflection of 24 mA. When a P.D. across if is 108 mV. Find the value of – (i) Series resistance for full scale deflection of 400 V. (ii) Find the power consumption.

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Draw and explain 'V' and 'inverted V curves' for synchronous motor.

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How does a charge-sensitive detector work in particle physics?

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How does a MOSFET's I-V characteristic differ from that of a BJT?

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How does an SCR's I-V characteristic differ from that of a transistor?

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What is the difference between a stand-alone inverter and a grid-tied inverter?

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Why should the lead acid cells not be allowed to stand completely discharged ?
Answer : Lead-acid cells (batteries) should not be allowed to stand completely discharged because: 1. **Sulfation**: When the battery is discharged for too long, lead sulfate crystals form on the ... becomes completely discharged. Ideally, keeping it between 40% to 80% charge is good for battery health....

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A 3 φ I.M. has synchronous speed of 250rpm and 4% slip at full load. The rotor has a resistance of 0.02Ω/ph and stand still reactance of 0.15Ω/ph. Calculate i) The speed at which max torque is developed. ii) The ratio of maximum to F. L. torque. iii) The ratio of maximum to starting torque.

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What is the V number in optical fiber?
Answer : The **V-number** (also called the **normalized frequency**) is a key parameter in optical fiber theory that helps determine how light behaves inside the fiber, specifically in relation to modes of ... and helps to decide the kind of fiber (single-mode or multimode) based on the communication needs....

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