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Worksheets8P Electronics 2
Total questions: 15
Worksheet time: 13mins
What is the component represented by this electrical symbol?
Motor
Resistor
Buzzer
Diode
What is the component represented by this electrical symbol?
Resistor
Fuse
Relay switch
Reed switch
What happens when light is shone on an LDR?
Select the 2 correct answers...
Less resistance
More resistance
Less electricity flows
More electricity flows
What happens when a second bulb is added into a circuit in SERIES?
Select the two correct answers...
Less resistance
More resistance
Bulbs dimmer
Bulbs the same brightness
Bulbs brighter
What happens when a second bulb is added into a circuit in PARALLEL?
Select the two correct answers...
Same resistance in each loop
More resistance in each loop
Bulbs dimmer
Bulbs the same brightness
Bulbs brighter
Ammeter A1 reads 0.4 amps. A2 also reads the same... What happens to the values of the ammeter if the LDR was covered over (put in the dark)?
Both ammeter readings increase
Both ammeter readings decrease
Both ammeter readings stay the same
Ammeter A1 decreases
Ammeter A2 decreases
Why are SERIES circuits bad?
Select the two correct answers
More electricity is pushed out
Less electricity is pushed out
Bulbs are dimmer
Bulbs are brighter
If one bulb blows, the circuit stops
Why are PARALLEL circuits bad?
More electricity is pushed out so the cells run out sooner
Less electricity is pushed out
Bulbs are dimmer
Bulbs are brighter
If one bulb blows, the circuit stops
Ammeter A1 reads 0.6 amps. A2 also reads the same... What happens to the values of the ammeter if light is shone on the LDR?
Both ammeter readings increase
Both ammeter readings decrease
Both ammeter readings stay the same
Ammeter A1 increases
Ammeter A2 increases
Why are SERIES circuits good?
More electricity is pushed out
Less electricity is pushed out
Bulbs are dimmer
Bulbs are brighter
If one bulb blows, the circuit stops
Why are PARALLEL circuits good?
Select the two correct answers...
More electricity is pushed out so the cells run out sooner
Less electricity is pushed out
Bulbs are dimmer
Bulbs are all equally bright
If one bulb blows, the others stay on
What happens when this circuit is in the DARK?
Select the best two answers...
No sound
The buzzer sounds
Less resistance
More resistance
What would you see if the switch (Q) was opened?
Select the 3 correct answers...
The bulb gets brighter
The bulb goes out
The paperclips fall
The ammeter reading goes up
The ammeter reading goes down
What happens when this circuit is in the LIGHT?
Select the best two answers...
No sound
The buzzer sounds
Less resistance
More resistance
What happens when the lefthand circuit is put into the light?
Select the three correct answers...
An electromagent is made
The right hand circuit is broken
The switch in the right hand circuit is closed
The radio works
The left hand circuit os broken
