The electrochemical equivalent of platinum is 5.0 x 10-7kgC-1 to plate-out 1.0kg of platinum, a current of 100A must be passed through an appropriate vessel...

Assessment: JAMB UTME - Physics - 1991 Subject: Physics

Question 1 Report

The electrochemical equivalent of platinum is 5.0 x 10-7kgC-1 to plate-out 1.0kg of platinum, a current of 100A must be passed through an appropriate vessel for
Answer Details
m = Itz

1 = 100 x 5 x 10-7 x t

t = 20,000sec

= 5.6hrs

Read lesson note on Electric Cells (JAMB)
View Answer

Related Questions

1

A body is under action of a force F such that the force displacement graph of the body is semi circular as shown above. The work done on the body by the forc...
2

which of the following statements are TRUE of isotopes? i. isotopes of an element have the same chemical properties because they have the same number of elec...
3

The net capacitance of the circuit shown above is
4

When an atom loses or gains a charge, it becomes
5

The internal resistance of each of the cells E1 and E2 Shown in the figure above is 2 Ohm. Calculate the total current in the circuit
6

Which of the following phenomena is called photoelectric effect?
7

Find the tension T1 in the diagram above if the system is in equilibrium. [G = 10ms-2]
8

In the above circuit, The fuse wire melts when

Download The App On Google Playstore

Everything you need to excel in your exams

Green Bridge CBT Mobile App
Personalized AI Learning Chat Assistant
200,000+ Exam Questions Across IGCSE, JAMB, WAEC & NECO
Over 3,900 Lesson Notes
Offline Support - Learn Anytime, Anywhere
Green Bridge Timetable
Literature Summaries & Potential Questions
Track Your Performance & Progress
In-depth Explanations for Comprehensive Learning