An electric iron rated 250 V has a coil of resistance 125...
An electric iron rated 250 V has a coil of resistance 125Ω. What is the cost of using it for I hour at 10k per kWh?
1.25k
2.50k
5.00k
10.00k
20.00k
Correct answer is C
No explanation has been provided for this answer.
lf Einstein’s photoelectric equation is represented by hf - W = Φ where h is Planck’s constant,...
A magnet relay is a device used for? ...
The specific latent heat of vapourization of lead is 8.7 × 105Jkg1. This means that 8.7...
Total internal reflection will not occur when light travels from ...
A platinum-resistance thermometer has a resistance of 4Ω at 0°C and 12Ω at 100°C. Assuming that ...