We often refer to the electricity at a typical household outlet as being 120 V. In fact, the voltage of this AC source varies; the 120 V is .

Crowbar of 5 metre is used to lift an object of 800 metre if the effort arm is 200cm calculate the force applied

6–43 a food department is kept at 2128c by a refrigerator in an environment at 308c. the total heat gain to the food department is estimated to be 3300 kj/h and the heat rejection in the condenser is 4800 kj/h. determine the power input to the compressor, in kw and the cop of the refrigerator.

The energy produced as a result of this flow of electrons from atom to atom is called