1657163
Description
Flashcards by mathilde_ndoye, updated more than 1 year ago
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Created by mathilde_ndoye
over 9 years ago
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| Question | Answer |
| WHERE CAN AN AMMETER BE PLACED IN A SERIES CIRCUIT | ANYWHERE |
| ELECTRONS ARE NOT ... | USED UP THE CURRENT LEAVING THE POWER PACK IS THE SAME A WHAT COMES IN |
| EXPLAIN THIS PICTURE | HERE THE AMMETER MUST BE PLACED IN A CERTAIN PLACE AS THE CURRENT CHANGE WHEN IT REACHES A JUNCTION THREE AMMETERS ARE IN THIS AS A1 SHOULD BE EQUAL TO A2 + A3 AS THE CURRENT SPLITS AT THE JUNCTION |
| WHAT IS THE POTENTIAL DIFFERENCE | ANOTER WORD FOR VOLTAGE THE DIFFERENCE IN ELECTRON BEFORE AND AFTER THEY HAVE FLOWED THROUGH THE CIRCUIT |
| WHAT IS ONE WAY TO CHANGE THE CURRENT OF THE CIRCUIT | CHANGE THE VOLTAGE |
| THE HIGHER THE _______ THE HIGER THE _________ | VOLTAGE CURRENT |
| HOW DO YOU MESURE THE POTENTIAL DIFFERENCE | WITH A VOLMETER |
| WHERE WOULD YOU PLACE THIS IN THE CIRCUIT | IN PARALLEL WITH THE COMPONENT |
| WHAT DOES POTENTIAL DIFFERENCE MEASURE | THE ENERGY TRANSFERRED TO A COMPONENT FOR EACH UNIT OF CHARGE THAT PASSES THROUGH IT |
| WHAT IS THE SYMBOL FOR RESISTANCE | OHMS |
| CHANGING THE RESISTANCE IN A CIRCUIT CHANGES THE WHAT ? | CURRENT |
| NAME THE SYMBOL | DIODE - CURRENT ONLY FLOWS IN ONE DIRECTION |
| LDR LIGHT DEPENDENT RESISTOR MORE LIGHT = LESS RESISTANCE | |
| THERMISTOR HIGHER RESISTANCE WHEN COLD | |
| EXPLAIN WHAT A VARIABLE RESISTOR DOES | CHANGES THE CURRENT OF A CIRCUIT BY MANUALLY CHANGING THE RESISTANCE |
| EXPLAIN THE SYMBOLS V = I x R | POTENTIAL DIFFERENCE CURRENT RESISTANCE |
| WHAT HAPPENS TO THE RESISTANCE OF A FILAMENT LAMP | THE HIGHER THE POTENTIAL DIFFERENCE MAKES THE LAMP HOTTER INCREASING THE RESISTANCE |
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