5. Complete the 1st column with appropriate words to indicate the way in which series and parallel circuits differ.
1 |
Series Circuit |
Parallel Circuit |
a. The pathway by which charge loops around the circuit is characterized by __________ pathway(s). |
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b. If one light bulb goes out, the other light bulbs _________. |
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c. As the number of resistors is increased, the overall current ______. |
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d. As the number of resistors is increased, the overall resistance ______. |
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6. When testing circuits, engineers often use pictures called circuit diagrams. Circuit diagrams are used to illustrate the pathways through which electricity can flow. The following symbols are used in circuit diagrams to represent various circuit components shown.
a) Identify each of the electronic components below and draw their circuit symbol in the space provided.
Battery Bulb Switch LED Motor
_______ _______ _______ _______ _______
Buzzer Resister Capacitor Diode Loudspeaker
_______ _______ _______ _______ _______
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b) Complete the sentences in 3rd column with appropriate words to identify the function of some circuit components. Then sketch their circuit symbol in 2nd one.
Component |
Symbol |
Function of Component |
Cell |
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“Pushes” current around a ____________. The current comes out of the “+” and back into the “-“ |
Battery |
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A battery is ___________ ____________________ |
Lamp / bulb |
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When a ________ flows, the __________ gets hot and glows. |
Switch (Open) |
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“Open” means “_____” |
Switch (Closed) |
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“Closed” means “_____” |
Fuse |
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A fuse will ______if too much _________ flows |
Voltmeter |
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A Voltmeter measures _________, in _______ |
Ammeter |
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An Ammeter measures _________, in _______ |
Resistor |
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A resistor is difficult for a _______ to _____through |
Variable Resistor |
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An LDR allows current to flow when ______ hits it. |
LDR (“Light Dependent Resistor”) |
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A thermistor allows current to flow when you ______ it. |
Thermistor |
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A _________ that we can adjust |