WorksheetsGCA PS SPS10 Electricity Midyear Final Review
Total questions: 12
Worksheet time: 8mins
This is a picture of a simple electromagnet. How can the electromagnet be made stronger?
Add more coils of wire to the nail.
Use a smaller battery (less potential difference).
Reverse the poles of the magnet.
Flip the battery around so the current runs in the opposite direction.
I'm thinking of a circuit has more than one loop. When one light goes out, the others stay on.
closed circuit
series circuit
parallel circuit
open circuit
Use your equation sheet.
What size resistor would produce a 3 Amp current flow with a 12 Volt battery
1 Ohm
3 Ohms
4 Ohms
12 Ohms
Use your equation sheet.
If the battery produced 12 Volts what would be the current flow for a 6 Ohm resistor?
2 Amps
0.5 Amps
72 Amps
18 Amps
Potential Difference and Current are ____ related.
directly
inversely
not
Resistance and Current are ____ related.
directly
inversely
not
Choose the 2 (two) options that will double the current flow.
double the resistance
cut the resistance in half
double the voltage
cut the voltage in half
This type of circuit has one path and the current everywhere is the same.
alternating
series
parallel
direct
This type of circuit has multiple paths and a current that splits at junction points.
parallel
series
alternating
direct
In which type of circuit will the remaining bulbs continue to work if one goes out?
series
parallel
alternating
direct
If the voltage goes from 12V to 24V, then the current will go from 2A to ___A.
4
1
14
8
How can you make the North and South poles switch places in an electromagnet?
Flip the nail around.
Wrap more coils around the nail.
Flip the battery around.
Use a stronger battery.
