Question Detail

PHY 102 Test Compilation PHY 102 4 Objective Question

Question

For a cell with EMF E, internal resistance r, external R. EMF expression?
Options
A E = IR + Ir
Correct Answer
B E = IR – Ir
C E = IR/Ir
D E = IR(Ir)
Correct Answer

Option A is the correct answer.

Detailed Explanation

E = V_terminal + Ir = IR + Ir.

Hint

E = I(R+r).

Question Info