Physics-Resistance & Resistivity

NEET Physics Resistance & Resistivity MCQ Question

Type: MCQ-diagram based-Medium-Class 12

Consider a diagram showing a circuit with two cells of emfs e1e_1 and e2e_2 connected in series, with internal resistances r1r_1 and r2r_2 respectively. What is the total emf of the combination?

Question diagram
A

e1+e2e_1 + e_2

B

e1e2e_1 - e_2

C

e1/e2e_1 / e_2

D

e1×e2e_1 \times e_2

Correct Answer

Option A

Detailed Explanation

When two cells are connected in series, the total emf is the sum of the individual emfs, e1+e2e_1 + e_2, as shown in the NCERT context for cells in series.

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