A cell of internal resistance 2 π supplies current to a 6 π resistor. The efficiency of the cell is

Assessment: JAMB UTME - Physics - 2017 Subject: Physics

Question 1 Report

A cell of internal resistance 2 π supplies current to a 6 π resistor. The efficiency of the cell is
Answer Details
Internal resistance determine the maximum current that can be supplied

Efficiency =  r R  × 100

=  \frca 2 6  × 100

= 33.3%

Read lesson note on Current Electricity (JAMB)
Read lesson note on Electric Cells (JAMB)
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