A 24 V battery having internal resistor of X - is connected to a 4 - resistor- causing a current of 5 A- Find out the value of X-

The correct option is B 0.8 W Given : #160; #160; E #160;=24 V #160; #160; #160; #160; #160; #160; #160; #160; R ...

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Byju's Answer

Standard XII

Physics

Dependence of Resistance on Temperature

A 24 V batt...

Question

A $24 V$ battery having internal resistor of $X Ω$ is connected to a $4 Ω$ resistor, causing a current of $5 A$ . Find out the value of $X$ ?

0 W

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0.8 W

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0.4 W

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1.6 W

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1.2 W

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Solution

The correct option is B $0.8 W$
Given : $E = 24 V$ $R = 4 Ω$ $I = 5$ $A$
$∴$ $E = I (X + R)$
OR $24 = 5 (X + 4)$ $⟹ X = 0.8 Ω$

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A 24V battery having internal resistor of XΩ is connected to a 4Ω resistor, causing a current of 5A. Find out the value of X?

The correct option is B 0.8WGiven : E=24V R=4Ω I=5 A∴ E=I(X+R)OR 24=5(X+4) ⟹X=0.8Ω

A $24 V$ battery having internal resistor of $X Ω$ is connected to a $4 Ω$ resistor, causing a current of $5 A$ . Find out the value of $X$ ?

The correct option is B $0.8 W$
Given : $E = 24 V$ $R = 4 Ω$ $I = 5$ $A$
$∴$ $E = I (X + R)$
OR $24 = 5 (X + 4)$ $⟹ X = 0.8 Ω$