WorksheetsBasics for circuits 23
Total questions: 40
Worksheet time: 16mins
The definition for potential difference
energy per unit charge
ratio of charge to time
rate of flow of current
ratio of potential difference to curent
The definition for current
energy per unit charge
ratio of charge to time
rate of flow of charge
ratio of potential difference to current
The definition for resistance
energy per unit current
ratio of charge to time
rate of flow of energy
ratio of potential difference to current
The definition for power
work done per unit time
ratio of charge to time
rate of flow of energy
ratio of potential difference to current
The unit for resistance
Ω
A
V
W
The unit for power
Ω
A
V
W
The unit for current
Ω
A
V
W
The unit for potential difference
Ω
A
V
W
The unit for electric charge
Ω
A
J
C
The unit for work done
Ω
A
J
C
The symbol for current
I
O
C
Y
The symbol for potential difference
I
V
C
P
How much current flows if 450 C of charge passes by every 100 seconds?
4.50 A
4.5
4.500 A
45 000 A
A 12 V battery supply 2300 C of charge. How much work is done?
27 600 J
0.00522 J
192 J
12 J
What is the defining equation for resistance?
VI
V/I
V2 I
I/V
What is the equation that relates power to potential difference and current?
P = VI
P = V/I
P = I/V
P =VI2
What type of circuit is this?
parallel
series
What type of circuit is this?
Parallel
Series
Which statement is true?
Vs = V1 + V2
Vs = V1 = V2
Vs = V1 - V2
When finding the total resistance in a series circuit with two resistors
simply add up the values of the resistors
RT = R1 + R2
RT = R1 - R2
simply subtract the values of the resistors
The symbol above represents a _________________ in a circuit.
2 cell battery
switch
cell
capacitor
1. Which switch or switches must be closed to make all the lamps light up?
Only switch 1
Only switch 1
Switches 1 and 2
Switches 1 , 2 and 3
7.6 V
4.4 V
12 V
6.8 V
Find the total resistance for this circuit
3.5 Ohm
5.5 Ohm
12.5 Ohm
0.283 Ohm
This is the
A.C. power supply
Ammeter
Temperature sensor
LED
This is a
A.C. power supply
open circuit
Capacitor
battery
This is a
cell
open circuit
Capacitor
battery
This is the symbol for a
junction of conductors
ammeter
relay switch
diode
This is the symbol for a
junction of conductors
ammeter
lamp
diode
This is the symbol for a
switch that is open
open cell
closed switch
open wire
This is the symbol for a
resistor
potentiometer
LDR
Thermistor
This is the symbol for a
meter
ammeter
voltmeter
magnetising coil
If three 1.5 V cells are connected in series
the combined emf is 4.5 V and it will last as long as a single 1.5 V cell
the combined emf is 1.5 V and it will last as long as a single 1.5 V cell
the combined emf is 4.5 V and it will last longer than a single 1.5 V cell
none of these
five 100 Ω resistors are connected parallel
20 Ω
120 Ω
200 Ω
500 Ω
What current would flow?
0.36 A
1.04 A
0.021 A
0.82 A
What is the total resistance (RT) of this circuit?
13 kΩ
18 kΩ
The voltage across the 300 ohm resistor is
