What is the formula for area of the segment of a circle?
Which of the following is/are methods of earthing?
For parallel operation the D.C. generators normally preferred are
What is the length of arc of a sector, whose perimeter is 64.8cm and radius is 12.4 cm?
The armature of d.c. generator is laminated to
In d.c. generator, which loss varies with the load?
In over compounded generator, full load terminal voltage is
Magnetic field in a D.C. generator is produced by
In “SWOT” analysis, “S” stands for
In d.c. generators, lap winding is used for
Armature cores are commonly made of
What is the area of the sector, if the diameter is 12 cm and the angle is 60°?
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In an electric heater, the metal case is connected to__.
The insulating material used between the commutator segments is normally
Paid form of ideas, goods and services are called
Which type of relay is used in both A.C and D.C supply?
For medium manufacturing enterprises, the investment in plant and machinery lies between
Brushes of D.C. machines are made of
What is the length of arc of the sector whose radius is 15 cm and the intended angle is 30°?
D.C. generator generally preferred for charging automobile batteries is
Lap winding has parallel paths.
A person who is associated with the starting of business is called
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The armature core of a D.C. generator is usually made of
What is the formula for area of the circle?
Entrepreneurship is also termed as…
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. D.C. series generator is used
What is the formula for area of the semi circle?
As compared to small scale business, large scale business require
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In an economic growth, role of entrepreneur is to
D. C. generator preferred for charging automobiles batteries is
What is the name called biggest chord of the circle?
The function of pole shoes in the case of D.C. machine is
In which type of d.c. machine-poles is residual magnetism necessary ?
How interpoles are connected in a DC generator?
While applying Fleming’s right-hand rule to And the direction of induced e.m.f., the thumb points towards
In SWOT analysis which pair is helpful?
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What is the area of the circle, if the circumference of the circle is 44cm?
Which formula is suitable for the area of a circle, whose diameter is (d)?
______ earthing is the best form of earthing and is very cheap in cost?
A shunt generator running at 1000 r.p.m. has generated e.m.f. as 200 V. If the speed increases to 1200 r.p.m., the generated e.m.f. will be nearly
Money invested in purchasing of raw materials, payment of wages and salaries, rental, electricity etc. comes under
. The overall efficiency of a d.c. generator lies in the range of:
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What is the formula for circumference of a circle?