Examkits is a JAMB CBT practice platform that provides over 20 years of past questions, Post UTME questions, and detailed video solutions to help students prepare for their exams.

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Yes. Our Android and Windows versions support offline usage. Once downloaded and activated, no internet is required to use most of the features.

Do you offer video solutions for JAMB questions?

Yes, Examkits provides detailed video explanations for all JAMB past questions from 2000 to 2024, helping students understand how to solve each problem.

Examkits offers free practice for some subjects. However, full access requires a one-time affordable activation fee for each version of the app.

PHYSICS

JAMB 2008 - Question 43

Physics 2008 JAMB Past Questions - Question 43: A step down transformer has a power output of 50W and efficiency of 80% .If the mains supply voltage is 200V. Calculate the primary current of the transformer

Choose the correct answers from the options given.

A step down transformer has a power output of 50W and efficiency of 80% .If the mains supply voltage is 200V. Calculate the primary current of the transformer

A: 0.31A

B: 3.20A

C: 3.40A

D: 5.00A

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PHYSICS

Physics 2008 JAMB Past Questions - Question 43: A step down transformer has a power output of 50W and efficiency of 80% .If the mains supply voltage is 200V. Calculate the primary current of the transformer

Examkit's JAMB CBT App

Correct Answer

Explanation