Question

draw a labeled diagram of an ectricmotar. explain its principles and working​

Answer 1

Answer:

When you place and object in a fluid it will do one of two things: it will either float or sink. If the density of the object is less than that of the suspending fluid, it will float, if the opposite is true then the object will sink. This can be best explained using the Archimedes principle.

Answer 2

$\huge\tt\red{Q}\tt\pink{U}\tt\blue{E}\tt\green{S}\tt\purple{T}\tt\orange{I}\tt\orange{O}\huge\tt\red{N}$

Draw a labeled diagram of an eletricmoter. explain its principles and working

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$\huge\tt\colorbox{pink}{Answer}$

Check the Attachment

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$\huge\tt\colorbox{aqua}{Principle of }$

$\huge\tt\colorbox{aqua}{An Electric Moter}$

An electric motor works on the

principle that

when a rectangular coil is placed in a magnetic field and a current is passed through it,

a force acts on the coil which rotates it continuously.

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$\huge\tt\colorbox{Yellow}{Working of }$

$\huge\tt\colorbox{Yellow}{the electric motor}$

• When battery is switched on, current flows through coil AB from A to B, and Magnetic field is from North to South... So, by Fleming's left hand rule, downward force is applied on AB.

• Similarly, upward force is applied on CD. Thus, the coil rotates with AB moving down and CD moving up .

• Now, as the coil rotates, the rings spin with it When coil becomes parallel to the magnetic field,the rings spin with it When coil becomes parallel to the magnetic field, the brushes X and Y touch the gap between the rings and the circuit breaks.

• And due to inertia, the ring keeps moving... so the opposite end of the ring is now connected the positive end of wire .Split ring P is connected to coil CD and split ring Q is connected to coil AB. Which reverses the direction of current in the circuit.

• Now, when CD is on left side nd AB is on right side.. Current in CD becomes reversed i.e. from D to C. So, force on CD is downwards and force on AB is upwards Thus, the coil keeps rotating Tie .

• This reversing of electric current happens every half rotation and the coil continues to rotate until the battery is switched off.

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$\huge\tt\colorbox{purple}{Function of }$

$\huge\tt\colorbox{purple}{Split Ring}$

Function of the split ring is to reverse the flow of current and make coil and axle rotate in the same direction.

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Hope it helps u

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