A charge of one coulomb liberates 0.0033g of copper in an electrolytic process. How long will it take a current of 2A to librate 1.98g of copper in such a process?

A.

5 mins

B.

30 mins

C.

50 mins

D.

60 mins

E.

120 mins

View answer & explanation

Correct answer is A

0.0033g = 1 coulomb

1.98gs = 1.98 x 1

= 600 cou.

Q = It

600 = 2 x t

t = 300sec = 5 mins

See all Physics questions & answers
See more JAMB questions & answers
Aptitude Tests

Abstract Reasoning Questions and Answers

Puzzles Questions and Answers

Quantitative Reasoning Questions and Answers

Nigeria General Knowledge Questions and Answers

Personality Test

Typing Speed and Accuracy Test

Numerical Reasoning Questions and Answers

Situational Judgement Questions and Answers

Data Interpretation Questions and Answers

Spatial Reasoning Questions and Answers

Logical Reasoning Questions and Answers

Microsoft Office Questions and Answers

Verbal Reasoning Questions and Answers

See all →


View latest jobs in Nigeria today