In the given circuit- cell E has internal resistance of r - 2- What is the value of resistance R so that power delivered to resistor R is maximum-

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Kirchhoff's Junction Law

In the given ...

Question

In the given circuit, cell $E$ has internal resistance of $r = 2 Ω$ . What is the value of resistance $R$ so that power delivered to resistor $R$ is maximum?

2 Ω

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3 Ω

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5 Ω

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1 Ω

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Solution

The correct option is D $5 Ω$
Since, equivalent internal resistance of equivalent cell across the external resistor $R$ is $2 + 3 = 5 Ω$ .
Hence, power delivered to $R$ will be maximum, if $R = 5 Ω$ .

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In the given circuit, cell E has internal resistance of r=2Ω. What is the value of resistance R so that power delivered to resistor R is maximum?

The correct option is D 5ΩSince, equivalent internal resistance of equivalent cell across the external resistor R is 2+3=5Ω.Hence, power delivered to R will be maximum, if R=5Ω.

In the given circuit, cell $E$ has internal resistance of $r = 2 Ω$ . What is the value of resistance $R$ so that power delivered to resistor $R$ is maximum?

The correct option is D $5 Ω$
Since, equivalent internal resistance of equivalent cell across the external resistor $R$ is $2 + 3 = 5 Ω$ .
Hence, power delivered to $R$ will be maximum, if $R = 5 Ω$ .