1) What is this the circuit symbol for? a) Buzzer b) Battery c) Fuse d) Bulb 2) What is this the circuit symbol for? a) Powerpack b) Battery c) Voltmeter d) Ammeter 3) What is this the circuit symbol for? a) A cell b) A battery of two cells c) A battery of three cells d) A battery of four cells 4) Which piece of equipment do we use to measure current? a) Ammeter b) Voltmeter c) Capacitor d) Diode 5) How must you connect an ammeter to measure current? a) It must always be next to it in the circuit b) It muse be far away in the circuit c) In parrallel d) In series 6) What is it called if the electricity in a circuit has an easier path than the one you want it to take? a) A blown fuse b) Earthed c) A short circuit d) A break in the circuit 7) We now know that conventional models of electron flow are wrong. Electrons actually flow from... a) positive to positive b) positive to negative c) negative to positive d) negative to negative 8) What is the formula relating charge, current and time? a) I = Q x t b) Q = I x t c) t/Q = I d) Q = I/t 9) What is the unit for measuring charge? a) Q b) I c) A d) C 10) How long would it take for a capacitor to charge to 36C with a current flowing at 3A? a) 108s b) 9s c) 12s d) 180s

Charge and Circuits Quiz

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