Science
Which of the following terms does not represent electrical power in a circuit? 1. I<sup>2</sup>R 2. IR<sup>2</sup> 3. VI 4.
Related Questions
An electric motor takes 5 A from a 220 V line. Determine the power of the motor and the energy consumed in 2 h.
An electric bulb is rated 220 V and 100 W. When it is operated on 110 V, the power consumed will be ……………
- 100 W
- 75 W
- 50 W
- 25 W
Two conducting wires of the same material and of equal lengths and equal diameters are first connected in series and then parallel in a circuit across the same potential difference. The ratio of heat produced in series and parallel combinations would be
- 1:2
- 2:1
- 1:4
- 4:1