1) Electric current is a flow of ... a) Voltage b) Charge c) Energy 2) What type of particle is carrying the charge? a) Electrons b) Neutrons c) Protons 3) What is the charge on an electron? a) Negative (-) b) Positive (+) 4) What is the unit for measuring electric current? a) Joules (J) b) Volts (V) c) Amperes (A) 5) which machine measures current? a) voltmeter b) ammeter 6) how is the ammeter plugged into the circuit? a) in series b) in parallel 7) what is the formula for calculating charge flow? a) charge flow = current x time b) charge flow = current /time 8) what is the unit for charge flow? a) seconds b) coulomb

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