Indicate whether the statement is true or false. 14. If resistance in a circuit is held constant while voltage is creased, current will increase.
15. A potentiometer is used to only allow current flow in one direction.
16. A series-parallel circuit has only one path for current flow.
17. Incandescent bulbs use a tungsten filament inside a globe where the oxygen has been remove
18. Diodes can store and discharge a charge very quickly.

Please answer if your sure this is a test grade. Thank you