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COMEDK2024PhysicsCurrent Electricity

The resistor of resistance R is connected to 25 V supply and heat produced in it is 25 Js ⁻¹ . The value of R is

Options

  1. A225
  2. B1
  3. C25
  4. D50

Correct answer

C. 25

Step-by-step solution

Given, aligned & H t =25 ~J / s =25 ~W & V=25 ~V aligned We know that, aligned & H= V^2 R t & H t = V^2 R & 25= 25^2 R & R= 25^2 25 =25 aligned

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