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What is f in physics?
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Derive the torque equation of 3 φ I.M. under running condition.k) Explain production of R.M.F. in 3-phase I.M. when 3 φ supply is fed to it. Draw its phasor diagram.

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What is the difference between a class E and class F power amplifier?

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What is the difference between static and dynamic F?

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State the difference between unity P.F wattmeter and low P.F wattmeter.

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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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An industrial consumer charged with the scheduled tariff of Rs.250 /kVA per month for maximum demand and 150 paisa per unit consumed for load factor of 60% and 80%. Find overall cost per unit at i) unity P.F. ii) 0.9 P.F. consider maximum demand of 50 kVA.

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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 name of chapter 13 in class 12th physics?

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

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What is hysteresis loss in transformer class 12 physics?
Answer : In a transformer, **hysteresis loss** refers to the energy lost due to the continuous magnetization and demagnetization of the transformer's core material. When alternating current (AC) passes ... due to the resistance of the core material to quickly align with the alternating magnetic field....

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What is the difference between static and dynamic system in physics?

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