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Why ammeter has lowest resistance?
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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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What is the new resistance of a given wire has resistance r if its radius is halved and length is unchanged?

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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 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 is the internal resistance of an Ammeter and what should it be replaced with: Short circuit or Open Circuit?

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What is the lowest voltage level of discharging the lead acid battery?

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What is the lowest salary for an Electrical Engineer?

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What is the lowest salary for an electrical engineer?

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State why a transformer always has an efficiency of more than 90%.

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Why does instrumentation amplifier has high input impedance?

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Why galvanometer and ammeter are connected in series?

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Why is the time constant inversely proportional to the resistance?

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Why does insulation resistance decrease when temperatures increase?

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Why does the resistance of a conductor rise with temperature class 12?

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Why insulation resistance decreases when temperature increase?

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Why does an increase in temperature decrease resistance?

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Why does resistance decrease with an increase in temperature in semiconductors?

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Why is increasing the temperature the specific resistance of a conductor and a semiconductor?

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