Electriciy 2 (circuits) 0.0 / 5 ? PhysicsElectricityGCSEAQA Created by: Cazza180Created on: 06-04-16 19:45 What way does current in a circuit flow? positive to negative (large part to small part of battery symbol) 1 of 8 What is the symbol for an LDR? Box with a circle round it and two arrows pointing in 2 of 8 Where is a voltmeter in a circuit? Parallel 3 of 8 What is a diode? A semiconductor where current can only flow in one direction 4 of 8 What makes LEDs so efficient? Small current needed 5 of 8 The more light there is in a circuit... The lower the resistance on an LDR 6 of 8 When are thermistors used? Car engines, thermostats 7 of 8 Varying the variable resistor alters the.. Current 8 of 8
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