## Define the principle and working of an a.c. generator., Physics

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Define, with the help of diagram, the principle and working of an a.c. Generator. Write the expression for the e.m.f. generated in the coil in terms of its speed of rotation

#### Define atmospheric energy - thermodynamics, Define Atmospheric Energy - the...

Define Atmospheric Energy - thermodynamics? The mass of the Earth's atmosphere, p(z), varies with height z above the Earth's surface. Assume that the "thickness" of the atmosp

#### What is the net torque, Two forces-55-N clockwise and 35-N counters clockwi...

Two forces-55-N clockwise and 35-N counters clockwise-are applied to a merry- go-round with a diameter of 4.5 m. What is the net torque?

#### Expermient of a metal ring stand and rings, A metal ring stand and rings ...

A metal ring stand and rings A useful ring stand and rings can be made from a flat curtain rod and the fixtures which clamp over electric bulbs to hold lamp shades. These are u

#### What is least count of stop watch, The least count of the stopwatch is 0.1 ...

The least count of the stopwatch is 0.1 second because in stopwatch we can measure milliseconds also.

#### Electrostatics, Can the whole charge of a body is transfer to another body

Can the whole charge of a body is transfer to another body

#### Rydberg formula, Rydberg formula (Rydberg): A formula which define all...

Rydberg formula (Rydberg): A formula which define all of the characteristics of hydrogen's spectrum, comprising the Lyman, Paschen, Balmer, Pfund series and Brackett,. For

#### Maximum power transfer in dc circuit, Maximum power transfer: Every sou...

Maximum power transfer: Every source of EMF has internal resistance.  If it is required to develop the maximum possible amount of power in an external load, then the load resis

#### Newtons rings, Ask question how to write newtons rings in c programming #Mi...

Ask question how to write newtons rings in c programming #Minimum 100 words accepted#

#### Motion in one dimension, a body travelling with uniform acceleration crosse...

a body travelling with uniform acceleration crosses two points A &B with velocities 30m/s & 50m/s the speed of the body at mid point of A&B is approximately?

#### Important parts of an ac dynamo, 1)The armature ABCD consists of a copper w...

1)The armature ABCD consists of a copper wire wound on cylindrical soft-iron core.The armature can be rotated horizontal axis perpendicular to magnetic field. 2)NS is permanent