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Let the Resistance of an Electrical Component Remains Constant W in Text Question Chapter 12 Electricity Science

In text Q & Answers of page 209 Q-3 Let the resistance of an electrical component remains constant while the potential difference... Chapter 12: Electricity Science Class 10 solutions are developed for assisting understudies with working on their score and increase knowledge of the subjects. Let the resistance of an electrical component remains constant while the potential difference across the two ends of the component decreases to half of its former value. What change will occur in the current through it? is solved by our expert teachers. You can get ncert solutions and notes for class 10 chapter 12 absolutely free. NCERT Solutions for class 10 Science Chapter 12: Electricity is very essencial for getting good marks in CBSE Board examinations

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Ans: According to Ohm’s law
V = IR
⇒ I=V/R ---------- (1)
Now Potential difference is decreased to half
∴ New potential difference Vʹ=V/2
Resistance remains constant
So the new current Iʹ = Vʹ/R
                             = (V/2)/R
                             = (1/2) (V/R)
                             = (1/2) I = I/2

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