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WorksheetsParallel and series circuit Physics [NWIS] (0) boys
Total questions: 24
Worksheet time: 48mins
Which circuit shows: 3 lamps working in parallel, a cell, and a switch that controls all 3 lamps?
B
D
A
C
The diagram shows a torch containing two 2 V cells , a switch and a lamp, What is the circuit diagram for the torch?
A
B
D
C
In the circuit below, one of the lamps breaks, causing all the other lamps to go out. Which lamp breaks?
D
B
C
A
any of the above
Which statement is correct when the circuit is switched on?
Each lamp can be switched off independently
if one lamp breaks all the others will stay alight
The current is the same in all the lamps
The lamps will all light at normal brightness
calculate the combined resistance between these 2 resistors
0.5 ohms
9 ohms
3 ohms
2 ohms
Calculate the combined resistance for all 3 resistors
24 ohms
24 watts
10 watts
10 ohms
Which row shows possible values for the readings on the meters
D
B
A
C
Using the circuit diagram, Determine which ammeter would show the highest reading
A
D
C
B
What is the circuit diagram for this arrangement
A
D
C
B
The diagram shows a circuit, What is connected in parallel with the thermistor?
Heater
lamp
light-dependent resistor
variable resistor
When one of the switches A,B,C or D is open only one lamp goes out, which switch is opened?
D
C
B
A
In the circuit shown, the switch is closed for a long time, then opened. Immediately after the switch is opened, which voltmeters will read zero?
VOLTMETER 1
VOLTMETER 2
VOLTMETER 3
VOLTMETER 1,2,AND 3
The diagram shows two ways in which three lamps may be connected. Which statement is correct?
If lamp Y breaks in circuit 1, both the other lamps will go out
If lamp Y breaks in circuit 2, both the other lamps will go out
If lamp Y breaks in circuit 1, Lamp Z will go out, but lamp X will remain on
If lamp Y breaks in circuit 2, lamp Z will go out, but lamp X will remain on.
The diagram shows a circuit containing three lamps and three switches S1, S2 and S3. Lamp 1 and lamp 3 are lit, but lamp 2 is not lit. Which switch or switches is/are closed?
S1 ONLY
S1 AND S2
S1 AND S3
S2 AND S3
B
D
C
A
What is the difference between the smallest total resistance and the largest total resistance?
7.0 OHMS
12.0 OHMS
9.0 OHMS
16.0 OHMS
What is the relationship between currents I 1 And I 2 and what is the e.m.f of the battery?
I1> I2 And the e.m.f is 2.0 V
I1> I2 And the e.m.f is 4.0 V
I1 = I2 And the e.m.f is 4.0 V
I1 = I2 And the e.m.f is 2.0 V
What is the reading on the voltmeter?
2.4V
3.6V
9.6V
6.0V
Which change to the circuit would increase the current in the lamp?
Adding a cold thermistor in series with the resistor
Changing the copper wire shown in the circuit with a nichrome wire.
Adding a LDR in the dark in series with the resistor
Changing the copper wire with a warm silicon wire
D
B
C
A
WHAT is the current in the Ammeter?
4.5 A
12.0 A
6.0 A
9.0 A
The total resistance of the parallel resistors is 12 ohms , calculate the value of the 2nd resistor.
45 ohms
20 ohms
50 ohms
25 ohms
Which statement about this circuit is correct?
The reading of ammeter P is equal to the reading of Q.
The Resistors share the voltage given out by the battery
ammeter R has the same value as ammeter P and ammeter Q
Reading of Ammeter P is same as ammeter R
What is the correct order of the current of the arrangements from the largest to the smallest?
X→Z→Y
Z→X→Y
Z→Y→X
X→Y→Z
