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B. Electrons B. Electrons C. Atoms C. Atoms A. Protons A. Protons D. Neutrons D. Neutrons Electricity is the movement of charged particles, usually…..
Back to Board B. Electrons
A. Copper A. Copper C. Wood C. Wood B. Tin B. Tin D. Graphite D. Graphite Which of the following is an insulator?
Back to Board C. Wood
A. Switch A. Switch C. Rheostat C. Rheostat B. Bulb B. Bulb D. Battery D. Battery This symbol represents a …
Back to Board B. Bulb
D. coloured symbols D. coloured symbols C. use pencil C. use pencil B. 90° corners B. 90° corners A. Straight lines A. Straight lines Which of the following is not a rule for drawing circuit diagrams?
Back to Board D. Coloured symbols
A. Resistor A. Resistor C. Bulb C. Bulb D. Fuse D. Fuse B. Variable resistor B. Variable resistor Rheostat is another name for a …
Back to Board B. Variable resistor
A. Resistance A. Resistance C. Current C. Current B. Voltage B. Voltage D. Power D. Power Flow of electrons is known as the...
Back to Board C. Current
A. Current A. Current C. Resistance C. Resistance B. Voltage B. Voltage D. Power D. Power Energy gained or lost is known as the …
Back to Board B. Voltage
A. Current meter A. Current meter C. Ammeter C. Ammeter B. Voltmeter B. Voltmeter D. Rheostat D. Rheostat The instrument used to measure current is called a…
Back to Board C. Ammeter
A. Watt A. Watt D. Amp D. Amp The unit of current is the… C. Ohm C. Ohm B. Volt B. Volt
Back to Board D. Amp
Voltage is calculated by… A. Voltage x current C. current/Resistance B. Resistance/current D. Resistance x current
Back to Board D. Resistance x current
A. Battery lasts A. Battery lasts longer Which of the following is not an advantage of a parallel circuit? C. Bulbs can work C. Bulbs can work independently B. bulbs same B. bulbs same brightness D. Bulbs work if D. Bulbs work if one blows
Back to Board A. Battery lasts longer
B. the same in B. the same in Voltage in a parallel circuit is … all branches A. different in A. different in C. divided equally in C. divided equally in D. shared between D. shared between
Back to Board B. The same in
C. 4.5 volts C. 4.5 volts A 9v battery is connected in series to 2 bulbs, 1 bulb uses 4.5 units of energy. How much does the other bulb use? A. 4.5 watts A. 4.5 watts B. 9 volts B. 9 volts D. 4.5 amps D. 4.5 amps
Back to Board C. 4.5 volts
C. All the same C. All the same In a parallel circuit 2,4 and 6 amps flow in branch a,b and c respectively. Which branch has the brightest bulb? A. branch a A. branch a D. branch c D. branch c B. branch b B. branch b
Back to Board C. All the same
A. 12v bright A. 12v bright 2x 6v dimmer A 2 branch parallel circuit is built containing a 12v battery and 3 bulbs. What is the voltage and brightness of each bulb? B. 12v bright B. 12v bright 2x 6v bright D. 12v dim D. 12v dim 2x 6v bright C. 3 x 12v bright C. 3 x 12v bright