Translate into Russian and put down the Russian equivalents. Then translate the Russian equivalents back into English (orally).

a. current capacity resistor _____________________________

temperature voltage output _____________________________

current value _____________________________

b. to start supplying energy _____________________________

to stop operating _____________________________

to start lightening _____________________________

to stop lightening the bulbs ______________________________-

c. to operate wall ______________________________

to operate badly ______________________________

to increase the voltage output ______________________________

to substitute the resistor ______________________________

4. Read and translate into Russian. Mind one:

1. the element has trouble. It operates badly. It should be substituted by a new one.

2. the element with a trouble was substituted with a new one and the cell started operation.

5.Complete the sentences using the correct variant:

1. a cell is used a)to increase the voltage output. b)to reduce the current capacity. c)to supply electric energy.

2. the terminals of a cell are used a) to conduct current .

b) to increase voltage .

c) to connect the battery to a circuit.