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Sudden increase in power, in second, on drive (5)

Ross

I believe the answer is:

surge

I'm a little stuck... Click here to teach me more about this clue!

'sudden increase in power' is the definition.
(I've seen this before)

'in second on drive' is the wordplay.
'in second' becomes 's' (common abbreviation. I am not sure about the 'in' bit.).
'on' says to put letters next to each other (in a down clue, letters appear on others).
'drive' becomes 'urge' (I've seen this in another clue).
's'+'urge'='SURGE'

Can you help me to learn more?

(Other definitions for surge that I've seen before include "crest of a wave" , "Suddenly increase" , "Jerk" , "Rolling swell of the sea" , "Sudden flow" .)

I've seen this clue in The Telegraph.
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