Homework Help: science-physics

Posted by Michael on Friday, November 20, 2009 at 6:44am.

An electric heater draws a a current of 10A from a 220 V supply .What is the cost of using the heater for 5 hours everyday for 30 dats if the cost of 1 unit (1 kWh)is 60 paise(indian currency)

science-physics - bobpursley, Friday, November 20, 2009 at 7:10am
Cost=Powerused*time*costperunit.

watch your units.

Answer this Question

Related Questions

College Physics - On average, an electric water heater operates for 3.4h each ...
physics - An electric space heater draws 15.5 A from a 120 V source. It is ...
physics - an electric heater provides 2kW of power when connected to a 120 V ...
physics - When a voltage of 120 V is impressed across an electric heater, a ...
Physics - A lamp (R = 151 ), an electric heater (R = 24 ), and a fan (R = 49 ) ...
physics - a baseboard heater draws a current of 10.0A. How much charge passes ...
Science - 1. An electric space heater draws 15.0 A from a 120 V source. It is ...
Physic - These three are connected to 240V main supply : Grill = 6A Desk lamp = ...
Physics - A diagram represents a simplified sketch of an electric DC motor.which...
physics - An electric kettle operates at 230V and draws a current of 13A. What ...

For Further Reading

First Name:
School Subject:
Answer: