Physics
A bulb of power 60 W is used for 12.5 h each day for 30 days. Calculate the electrical energy consumed.
Related Questions
An electric bulb is rated '100 W, 250 V'. How much current will the bulb draw if connected to a 250 V supply ?
An electric bulb is rated '220 V, 100 W'. (a) What is it's resistance? (b) What safe current can be passed through it?
An electric press is rated '750 W, 230 V'. Calculate the electrical energy consumed by the press in 16 hours.
An electrical appliance having a resistance of 200 Ω is operated at 200 V. Calculate the energy consumed by the appliance in 5 minutes (i) in joule, (ii) in kWh