JAMB Physics 1991 Question 41

Question 41

Electrical Energy and Power

An equipment whose power is 1500 W and resistance is 375 ohms would draw a current of

  1. A.0.10 A
  2. B.2.00 A
  3. C.4.00 A
  4. D.77.5 A
Show the answer and explanation

Answer: B (2.00 A)

Explanation

P = I²R, so I = √(1500/375) = √4 = 2 A.