alleryThe heat produced in a 5 Ω resistor carrying a steady current of 2 A for 10 s is:
A200 J
B100 J
C1000 J
D20 J
Answer & Solution
Correct answer: A. 200 J
Joule heating H = I²Rt = 2²×5×10 = 200 J.
Keep practising Current Electricity
Browse all Current Electricity questions for NEET UG, or explore more Physics topics.
Related questions
Current electricity numbersThe resistance inside a cell itself is called its:NEET · Physics · Kirchhoff's LawsTap what affects resistanceHalving the cross-section area of a conductor makes resistance:Resistance depends on the material and on the conductor's:The quantity denoted by sigma, the inverse of resistivity, is:Kirchhoff's junction rule for currents I1, I2 into a junction gives: