Physics - Transmission of Electricity
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Last updated over 5 years ago
4 questions
1
Transformers at the power station __________the voltage before power is transmitted. Transformers at the substations then _________the voltage in stages before the power is supplied to the home, offices and factories.
Transformers at the power station __________the voltage before power is transmitted. Transformers at the substations then _________the voltage in stages before the power is supplied to the home, offices and factories.
1
The _________ the transmission voltage, the ________ the current in the power lines.
The _________ the transmission voltage, the ________ the current in the power lines.
1
The smaller the current, I the smaller the power lost during transmission.
The smaller the current, I the smaller the power lost during transmission.
1
The output voltage from a generator which is usually about ________is increased by a step-up transformer to as high as _________before being supplied to the National Grid Network.
The output voltage from a generator which is usually about ________is increased by a step-up transformer to as high as _________before being supplied to the National Grid Network.