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The P.D. Across a Lamp is 12 V. How Many Joules of Electrical Energy Are Changed into Heat and Light When: A Current of 2 a Flows Through It for 10 S? - CBSE Class 10 - Science

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Question

The p.d. across a lamp is 12 V. How many joules of electrical energy are changed into heat and light when:

 a current of 2 A flows through it for 10 s?

Solution

 W = V x Q
V x (I x t)
= 12 x 2 x 10 = 240 J

  Is there an error in this question or solution?

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Solution The P.D. Across a Lamp is 12 V. How Many Joules of Electrical Energy Are Changed into Heat and Light When: A Current of 2 a Flows Through It for 10 S? Concept: Electric Potential Difference.
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