Hello everyone.
I use Ni Multisim 13.0. I creating schema and I can't find these ( In picutre. I add it.) elements in this program. I'm new with this program.. So maybe You know where can I find it ? I have found the speaker ( LabView instruments XLV1), but he have just one input.

 

For 2 just stick a 30 volt battery.

 

For 3:

 

Thank You!! But what should I do with 1 and 4 ?

 

Go here: http://www.ni.com/white-paper/5607/en/ Scroll down to Section 3, Searching for Components in Multisim

 

Go here: http://www.ni.com/white-paper/5607/en/ Scroll down to Section 3, Searching for Components in Multisim

Thank You for answer. But still I can't find these elements. I find one Speaker XLV who have just one input. And I need 8 Ohm ( Speaker )

 

Use an 8 ohm resistor.