Directions : In the following questions, some parts of the sentences have errors and some are correct. Find out which part of a sentence has an error. The number of that part is the answer. If a sentence is free from error, your answer is (4) 1.e. No error.
The new device (1)/ aims at eliminating (2)/ then risk of short-circuiting (3) / No error (4)

Answer

3

Explanation

short-circuit (Noun): a failure in an electrical circuit. Hence, the risk of short-circuit is the right usage