Complete the sentence by putting a cross (X) in the box next to your answer - Edexcel - GCSE Physics - Question 3 - 2017 - Paper 1
Question 3
Complete the sentence by putting a cross (X) in the box next to your answer.
The unit of potential difference is the
A amp
B joule
C volt
D watt
Choose wo... show full transcript
Worked Solution & Example Answer:Complete the sentence by putting a cross (X) in the box next to your answer - Edexcel - GCSE Physics - Question 3 - 2017 - Paper 1
Step 1
Complete the sentence by putting a cross (X) in the box next to your answer.
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Answer
The unit of potential difference is the C volt.
Step 2
Choose words from the box to complete the sentence.
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Answer
Electrical energy is transmitted at high voltages,
because it improves the efficiency by reducing
the heat loss in the transmission lines.
Step 3
Calculate the input power of the transformer.
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