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The teachers of geeta's school took the students on a study trip to a power generation station, located nearly 200km away from the city. The teacher explained that electrical energy is transmitted over such a long distance to their city, in the form of alternating current raised to a high voltage. At the receiving end i'm the city, the voltage is reduced to operate the devices. As a result, the power loss is reduced. Geeta listened to the teacher and asked questions about how the ac is converted to a higher or lower voltage. a) Name the device used to change the alternating voltage to a higher or lower value. State one cause for power dissipation in this device.

Posted by Priyanka Jevaria 6 years, 9 months ago

CBSE > Class 12 > Physics

2 answers

G Jagdish Chouhan 6 years, 9 months ago

cause for power dissipation is hysteresis loses(it's one of them)

0Thank You

Aisha Grewal 6 years, 9 months ago

Transformer..

0Thank You

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