### Clue: Charge university student implicated in search (7)
### Answer: COULOMB 
 ### Explanation: Definition: Charge
 [ OU(abbrev. for the Open University, or even Oxford University in the UK) + L(letter displayed by a student/learner driver) ] **contained in**(implicated in) COMB(to search through thoroughly).
Defn: The unit of electric charge.