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study for boom science class 5
| Question | Answer |
|---|---|
| what is current | the flow |
| what is voltage | the force |
| what is resistance | the present/limits |
| what is the switch | controls the flow |
| opposite charges | attract |
| like charges | repel |
| what do conductors do | conductors allow electricity to flow |
| what do insulators do | they do not allow the electricity to flow |
| motors convert electrical energy into.. | mechanical energy |
| generators convert mechanical energy into.. | electrical energy |
| in how many directions do diodes move | they move in one direction |
| what are transistors | they act like a switch (amplify signals) |
| how many electrons is a neutral charge? | 8 |
| how many electrons is a positive charge? | 7 |
| how much electrons are a negative charge | 9 |
| what is flow of chrage | the electric current |