Question

Find the electrical resistance of an instrument if heat produced in 25 second by it is 6000 joule when the current flowing through it is 5ampere

Answer 1

$\huge\sf{Answer:-}$

6000 J = (H)

5 A = (I)

25 seconds = (T)

1² RT = (H)

Adding values:-

= 6000 J = 5² × R × 5

= 6000 J = 125 × R

= R = 6000 / 625 => 48

Therefore [.•.] 9.6 ohm