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