Each of the six real batteries has an emf of 20 V and a resistance of 4- - What is the potential difference across each battery-

The correct option is A 5 VCurrent in series combination of batteries= 20+20+204Ω+4Ω+4Ω+4Ω #160; #160; #160; #160; #160; #160; #160; ...

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Byju's Answer

Standard X

Physics

Combination of Resistances

Each of the s...

Question

Each of the six real batteries has an emf of 20 V and a resistance of $4 Ω .$ What is the potential difference across each battery?

5 V

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6 V

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4 V

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10 V

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Solution

The correct option is A 5 V
Current in series combination of batteries= $\frac{20 + 20 + 20}{4 Ω + 4 Ω + 4 Ω + 4 Ω}$

$= \frac{15}{4} A$
$∴$ voltage in each battery $V = ϵ - I R = (20 - \frac{15}{4} \times 4) V$
=5V

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Each of the six real batteries has an emf of 20 V and a resistance of 4Ω. What is the potential difference across each battery?

The correct option is A 5 VCurrent in series combination of batteries=20+20+204Ω+4Ω+4Ω+4Ω =154A∴ voltage in each batteryV=ϵ−IR=(20−154×4)V =5V

Each of the six real batteries has an emf of 20 V and a resistance of $4 Ω .$ What is the potential difference across each battery?

The correct option is A 5 V
Current in series combination of batteries= $\frac{20 + 20 + 20}{4 Ω + 4 Ω + 4 Ω + 4 Ω}$

$= \frac{15}{4} A$
$∴$ voltage in each battery $V = ϵ - I R = (20 - \frac{15}{4} \times 4) V$
=5V