1) The apparatus used to demonstrate the effect of static electricity is the .... a) Van der valk b) Van der Graaf c) Van diesel d) White van 2) The symbol for an open switch is... a) b) c) d) e) f) 3) The symbol for a lamp is... a) b) c) d) e) f) 4) The symbol for a resistor is... a) b) c) d) e) f) 5) The symbol for a cell is... a) b) c) d) e) f) 6) The symbol for a fuse is... a) b) c) d) e) f) 7) The symbol for a battery is... a) b) c) d) e) f) 8) Pressing a switch will... a) close the circuit b) open the circuit 9) A lamp will turn on when the circuit is a) closed b) open 10) _______________ wil let eletricity flow through. a) Conductors b) Insulators 11) Identify the conductor. a) b) c) d) 12) Identify an insulator. a) b) c) d) 13) Identify the series circuit. a) b) c) 14) If you add more bulbs into a series circuit the bulb brightness will... a) increase b) decrease c) not change 15) Identify the parallel circuit. a) b) c) 16) If you add more bulbs in parallel to a circuit the bulb brightness will... a) increase b) decrease c) not change 17) The units for voltage are... a) amperes b) ohms c) volts 18) If you increase voltage bulb brightness will... a) increase b) decrease c) not change 19) The units for current are... a) amperes b) ohms c) volts 20) The units for resistance are... a) amperes b) ohms c) volts 21) The equipment used to measure voltage is .... a) ammeter b) ohmmeter c) voltmeter 22) The equipment used to measure current is .... a) ammeter b) ohmmeter c) voltmeter 23) The equipment used to measure resistance is .... a) ammeter b) ohmmeter c) voltmeter 24) The current as you go along a circuit will... a) increase b) not change c) decrease 25) Voltmeters are connected into a circuit in.... a) parallel b) series 26) Ammeters are connected into a circuit in.... a) parallel b) series 27) The earth wire in a plug is... a) blue b) green and yellow c) brown 28) The live wire in a plug is... a) blue b) green and yellow c) brown 29) Which plug wire will be attached to the fuse? a) neutral b) earth c) live 30) The C-core in an electromagnets must be made of... a) plastic b) iron c) rubber d) aluminium 31) To make an electromagnet stronger you would... a) Decrease voltage b) Increase number of coils c) Use a smaller iron core 32) To make an electromagnet weaker you would... a) Increase voltage b) Increase number of coils c) Use a smaller iron core 33) Solenoids are used in.... a) motors b) calculators c) bells d) ammeters 34) What attaches to the coils from the powerpack in a motor to allows the electric current to flow? a) commutator b) brushes c) magnets d) coils 35) Solar cells convert light energy to.... a) sound energy b) nuclear energy c) kinetic energy d) electrical energy

Electricity revision

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