A source of emf having internal resistance of 6Ω dissipates maximum power in this circuit consisting of three resistor R₁,R₂ and R₃ as shown. Then which of the following is not true :

(a)
I₃ = 0.8 A

(b)
V = 24 volt

(c)
R₁ = 15Ω

(d)
R₁ = 30 Ω

Question

A source of emf having internal resistance of 6Ω dissipates maximum power in this circuit consisting of three resistor R₁,R₂ and R₃ as shown. Then which of the following is not true :

(a)	I₃ = 0.8 A

(b)	V = 24 volt

(c)

R₁ = 15Ω

(d)

R₁ = 30 Ω

Saurabh Kumar · Answer

As circuit diagram is not mentioned, But i would like to give you the concept about the problem.
For maximum power dissipation, internal resistance of the emf must be equal to the external resistance connected.
Then write the equation for power and adjust the value of current and resistance given in the circuit.

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A source of emf having internal resistance of 6Ω dissipates maximum power in this circuit consisting of three resistor R 1 ,R 2 and R 3 as shown. Then which of the following is not true : (a) I 3 = 0.8 A (b) V = 24 volt (c) R 1 = 15Ω (d) R 1 = 30 Ω

A source of emf having internal resistance of 6Ω dissipates maximum power in this circuit consisting of three resistor R₁,R₂ and R₃ as shown. Then which of the following is not true :

(a)
I₃ = 0.8 A

(b)
V = 24 volt

(c)
R₁ = 15Ω

(d)
R₁ = 30 Ω

1 Answers

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A source of emf having internal resistance of 6Ω dissipates maximum power in this circuit consisting of three resistor R 1 ,R 2 and R 3 as shown. Then which of the following is not true : (a) I 3 = 0.8 A (b) V = 24 volt (c) R 1 = 15Ω (d) R 1 = 30 Ω

A source of emf having internal resistance of 6Ω dissipates maximum power in this circuit consisting of three resistor R1,R2 and R3 as shown. Then which of the following is not true : (a) I3 = 0.8 A (b) V = 24 volt (c) R1 = 15Ω (d) R1 = 30 Ω

1 Answers

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A source of emf having internal resistance of 6Ω dissipates maximum power in this circuit consisting of three resistor R₁,R₂ and R₃ as shown. Then which of the following is not true :

(a)
I₃ = 0.8 A

(b)
V = 24 volt

(c)
R₁ = 15Ω

(d)
R₁ = 30 Ω