Question

What is the formula of effective EMF and effective internal resistance of cells when they are connected in :
(1) Series
(2) Parallel

I tried to google it but didn't get the answer

Pls help......

Answer 1

Answer:

Emf and Internal Resistance Equation:

The cell can be modified with an emf ε and the internal resistor with resistance r which is connected in series. ... So, V = ε – Ir, where V is the potential difference across the circuit, ε is the emf, I is the current flowing through the circuit, r is internal resistance.

Explanation:

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Answer 2

Answer:

Emf and Internal Resistance Equation: The cell can be modified with an emf ε and the internal resistor with resistance r which is connected in series. ... So, V = ε – Ir, where V is the potential difference across the circuit, ε is the emf, I is the current flowing through the circuit, r is internal resistanc