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​P2: Quiz 7
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​1) Draw a circuit with a battery and 2 filament bulbs connected in series.
 
 
2) What are the rules for the following in a series circuit?
a) Potential difference
b) Current
c) (total) Resistance
 
 
3) The circuit below contains a battery and 2 resistors that are connected in series.
a) What is the total resistance of the circuit?
b) What will be the value for the current on the ammeter?
c) What will the potential difference be across the 2 Ω resistor?
d) What will the potential difference be across the 4 Ω resistor?
 
 
4) The circuit below contains a cell and 2 resistors that are connected in series.
a) What is the total resistance of the circuit?
b)
i) What will the current be on ammeter 1?
ii) What will the current be on ammeter 2?
c) What will the potential difference be across the 5 Ω resistor?
d) What will the potential difference be across the 15 Ω resistor?
 
 
5) The circuit below contains 3 identical filament bulbs connected to a battery in series.
​The reading on the ammeter in the above circuit is 4 A. Calculate the resistance of each of the bulbs.
 
 
6)
a) What is the rule for potential difference in series circuits.
b) The circuit below contains a battery and 2 resistors; one of the resistors has a resistance of 10 Ω and the other resistor has an unknown resistance.
​The reading on the voltmeter in the above circuit is 3 V.
i) Calculate the potential difference across the 10 Ω resistor.
ii) Calculate the current in the circuit.
iii) Calculate the resistance of the unknown resistor.