Related Questions

A 4-pole Dc wound machine is lap wound with 400 conductors. The pole shore is 20 cm long and average flux density over one-pole pitch is 0.4 T, the armature diameter being 30 cm. What is the value of flux/pole?
Calculate the number of conductors on each pole piece required in a compensating winding for a 6-pole lap-wound dc armature containing 286 conductors. The compensating winding carries full armature current. Assume ratio of pole arc/ pole pitch = 0.7.
When the negative pole of one battery is connected to negative pole of other battery and positive pole to other pole, the batteries are said to be connected in-
In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.
A saint or a satyagrahi is often put on a ___________, freezing her acts of goodness in time. Goodness acquires an act of fixed quality __________ in amber. Rather than _____________ a living creature, a saint or an icon becomes a hoarding, a permanent spectacle or a redundant quotation. Saintliness or heroism becomes a bundle of pictures in a calendar, a statue __________ inflexibly. Goodness becomes a stencil fixed _________ time.
Goodness becomes a stencil fixed _________ time.
A 4-pole Dc wound machine is lap wound with 400 conductors. The pole shore is 20 cm long and average flux density over one-pole pitch is 0.4 T, the armature diameter being 30 cm. What is the value of induced emf?
In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.
A saint or a satyagrahi is often put on a ___________, freezing her acts of goodness in time. Goodness acquires an act of fixed quality __________ in amber. Rather than _____________ a living creature, a saint or an icon becomes a hoarding, a permanent spectacle or a redundant quotation. Saintliness or heroism becomes a bundle of pictures in a calendar, a statue __________ inflexibly. Goodness becomes a stencil fixed _________ time.
Goodness acquires an act of fixed quality __________ in amber.
In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.
A saint or a satyagrahi is often put on a ___________, freezing her acts of goodness in time. Goodness acquires an act of fixed quality __________ in amber. Rather than _____________ a living creature, a saint or an icon becomes a hoarding, a permanent spectacle or a redundant quotation. Saintliness or heroism becomes a bundle of pictures in a calendar, a statue __________ inflexibly. Goodness becomes a stencil fixed _________ time.
a statue __________ inflexibly.
There are 23 poles with a constant distance between each pole. A car takes 24 seconds to reach the 12th pole. How much more time will it take to reach the last pole?
A 400-V, 1000-A, lap wound dc machine has 10 poles, 860 armature conductors. The number of conductors in the pole face to give full compensation if pole face covers 70% of pole span is?
A 4-pole Dc wound machine is lap wound with 400 conductors. The pole shore is 20 cm long and average flux density over one-pole pitch is 0.4 T, the armature diameter being 30 cm. Here, motor is drawing 25 A current at 1500 rpm. What is the available torque (N-m) at shaft?