ELECTRIC COMPONENTS AND WHAT THEY DO 0.0 / 5 ? PhysicsElectricityGCSEAQA Created by: lydiaheathCreated on: 25-03-15 17:02 WHAT DOES A CELL/BATTERY DO? PUSH ELECTRONS AROUND A COMPLETE CIRCUIT 1 of 11 WHAT DOES A SWITCH DO? ENABLES A CURRENT TO BE SWITCHED ON OR/AND OFF 2 of 11 WHAT DOES AN INDICATOR DO? EMITS LIGHT AS A SIGNAL WHEN A CURRENT PASSES THROUGH IT 3 of 11 WHAT IS A DIODES FUNCTION TO ALLOW CURRENT TO FLOW THROUGH IT IN ONE DIRECTION ONLY 4 of 11 WHAT DOES A LIGHT EMITTING DIODE DO? EMITS LIGHT WHEN A CURRENT PASSES THROUGH IT 5 of 11 WHAT IS THE FUNCTION OF AN AMMETER? IT MEASURES THE ELECTRIC CURRENT 6 of 11 WHAT DOES A FIXED RESISTOR DO? IT LIMITS THE CURRENT IN THE CIRCUIT 7 of 11 WHAT DOES A VARIABLE RESISTOR DO? ALLOW THE THE CURRENT TO BE VARIED 8 of 11 WHAT IS A FUSE DESIGNED TO DO? IT IS DESIGNED TO MELT IF THE CURRENT GOING THROUGH IT IS GREATER THAN A CERTAIN AMOUNT 9 of 11 WHAT IS A HEATER DESIGNED TO DO? TO TRANSFER ELECTRICAL ENERGY TO THE HEAT SURROUNDINGS 10 of 11 WHAT DOES A VOLTMETER DO? IT'S USED TO MEASURE POTENTIAL DIFFERENCE 11 of 11
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