1) Draw a circuit with a battery and 2 filament bulbs connected in parallel.
2) What are the rules for the following in a parallel circuit?
a) Potential difference
b) Current
3) The circuit below contains a cell and 2 resistors that are connected in parallel.
a)
i) What will be the value for potential difference on voltmeter V1?
ii) What will be the value for potential difference on voltmeter V2?
b)
i) What will be the value for current on ammeter A1?
ii) What will be the value for current on ammeter A2?
iii) What will be the value for current on ammeter A3?
c) Use your value for the current on A3 to calculate the total resistance of the circuit. Give your answer to 1 decimal place.
4) The circuit below contains a battery and 2 resistors that are connected in parallel.
a) Calculate the values for the current on the following ammeters.
i) A1
ii) A2
iii) A3
5) The circuit below shows 2 resistors connected in parallel. One of the resistors has a resistance of 8 Ω and the other resistor has an unknown resistance.
The value for current on ammeter A3 is 0.75 A.
a) What will be the value for current on ammeter A1?
b) What will be the value for current on ammeter A2?
c) What is the resistance of the unknown resistor?
6) The circuit below contains a cell and 2 identical filament bulbs.
The value for current on ammeter A1 is 3 A.
a) Calculate the current passing through each of the identical filament bulbs.
b) Calculate the resistance of each of the identical filament bulbs.