What are the definitions of potential difference (p.d.) and electromotive force (e.m.f.), in terms of energy transfer $$\(W\)$$ and charge $$\(q\)$$ ?
A.
B.
C.
D.
Exam No：9702_m24_qp_12 Year：2024 Question No：32
Answer:
A
Knowledge points:
9.2.1 define potential difference and the volt
9.2.2 recall and use
9.2.3 recall and use P = VI and P = I2R
Solution:
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