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How do I calculate resistance?
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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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How do you calculate the total resistance of resistors in series?

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How do you calculate the total resistance in a parallel circuit?

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How do you calculate the total resistance in a series circuit?

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How does increase in temperature affect the resistance of (i) conductors and (ii) insulators ?

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How to calculate total resistance in delta connection?

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The power input to a 500V 50Hz 6Pole 3 phase induction motor running at 975 rpm is 40 kW. The stator losses are 1kW and friction and windage losses are 2kW. Calculate: (i) Slip (ii) Rotor copper loss (iii) Shaft power (iv) Efficiency

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Explain with neat sketch: (i) Earth resistance measurement using earth tester (ii) High resistance measurement using megger.

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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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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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Calculate speed of motor when delivery maximum voltage. Also calculate the resistance to be added to achieve 3/4th of maximum torque at time of starting.

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How do I test my AC with a multimeter?
Answer : Testing an AC circuit with a multimeter is a useful way to check for voltage, continuity, and even verify whether the circuit is working properly. Here's how you can do it step by step: ... a multimeter! If you have more specific needs, like measuring current or troubleshooting, feel free to ask!...

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How do I know if my multimeter is working properly?

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How do I fix my battery plugged in but not charging?

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How do I convert Delta Connection to star connection?

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