6 Solving problems in DC curcuits

Today, the dc generator is being replaced by

According to Ohm's law, the ___ in a device is proportional to the ___ ___.

The most basic example of the technical meaning of work concerns the application of a ____ to ____ an object.

.___ is the amount of twisting force applied to an object.

The rate of doing work is called ___.

The ___ between two points is the amount of energy between the points, per unit of charge.

The current flowing in a device is defined as the amount of ___ flowing past a given point per unit of ___.

The unit of electric power is the ___.

Some of the energy that goes into a mechanical system must be used in overcoming ___.

The efficiency of a system is the ration of the work ___ of the system to the work ___.