Can resistance be 0 ohms?

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Can resistance be equal to resistivity?

Can resistance be equal to resistivity?
Answer : No, resistance and resistivity are not the same thing, though they are related concepts. - **Resistance (R)** is the opposition to the flow of electric current in a material. It depends on ... , shape, and size. So, resistance can never be equal to resistivity because they are different quantities....

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Can ammeter resistance be zero?

Can ammeter resistance be zero?
Answer : In an ideal situation, the resistance of an ammeter should be zero. This means it would not affect the current flowing through the circuit. An ideal ammeter is designed to have no resistance so ... can be designed to have extremely low resistance, it can never be exactly zero in practical terms....

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What does 0 ohms mean?

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Is 0 resistance possible?

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Which meter has a greater sensitivity and why? Meter A having a range of 0-10 V and a multiplier resistance of 18 kΩ and meter B with a range of 0-300 V and multiplier resistance of 298 kΩ? Both meter movements have a resistance of 2 kΩ.

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A 3 phase line of 4 km length delivers 4000 kW at a p.f of 0.8 lagging to a load the resistance and reactance per km of each conductor are 0.2 Ω and 0.5 Ω respectively if the voltage at the supply end is maintained at 11 kV. Calculate the received end voltage and efficiency of line.

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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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Can a photon have 0 spin?

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How can voltmeter read 0?

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What is the Ohm's law Cannot be applied to?

What is the Ohm's law Cannot be applied to?
Answer : Ohm's Law, which states that \( V = I \cdot R \) (Voltage = Current Resistance), applies to materials and devices where the resistance remains constant as the voltage and current ... or circuits, you need to consider additional factors, like reactance, non-linearity, or changes in resistance....

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What will be the resistance if length is halved?

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What will be the new resistance of a wire of resistance r is stretched to four times its initial length?

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