Physics
An electric press is rated '750 W, 230 V'. Calculate the electrical energy consumed by the press in 16 hours.
Current Electricity
33 Likes
Answer
Given,
Power (P) = 750 W
time (t) = 16 h
As energy consumed (E) = P × t
Hence, electrical energy consumed in 16 hours = 12 kWh
Answered By
20 Likes
Related Questions
An electric bulb is rated '220 V, 100 W'. (a) What is it's resistance? (b) What safe current can be passed through it?
A bulb of power 60 W is used for 12.5 h each day for 30 days. Calculate the electrical energy consumed.
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
A bulb rated 12 V, 24 W operates on a 12 volt battery for 20 minutes. Calculate —
(i) the current flowing through it, and
(ii) the energy consumed.