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Washing machine fieldlines11/8/2022 ![]() ![]() If axle Xis rotated clockwise, then the length MN moves upwards while length ST moves downwards. The following figure shows a simple AC generator. It generates electricity by rotating a coil in a magnetic field. #Washing machine fieldlines generatorThe principle of working of an electric generator is that when a loop is moved in a magnetic field, an electric current is induced in the coil. These are called the commutator.Īn electric generator converts mechanical energy into electrical energy. The split rings help to reverse the direction of current in the circuit. As a result, the coil rotates unidirectional. The reversal of current through the coil MNST repeats after each half rotation. ![]() The current flows through the coil in the direction TSNM. Hence, the direction of current in the coil MNST gets reversed. The half-ring D comes in contact with brush A and half-ring C comes in contact with brush B. These two forces cause the coil to rotate anti-clockwise.Īfter half a rotation, the position of MN and ST interchange. Therefore, an upward force acts on the length ST. Similarly, current in the length ST flows from S to T and the magnetic field acts from left to right, normal to the flow of current. Therefore, according to Fleming’s left hand rule, a downward force acts on the length MN. As a result, the coil rotates anti-clockwise.Ĭurrent in the length MN flows from M to N and the magnetic field acts from left to right, normal to length MN. This happens because a downward force acts on length MN and at the same time, an upward force acts on length ST. When a current is allowed to flow through the coil MNST by closing the switch, the coil starts rotating anti-clockwise. The following figure shows a simple electric motor. A current-carrying coil rotates in a magnetic field. It works on the principle of the magnetic effect of current.
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