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WorksheetsG8_Physics_Electricity_Flipchart
Total questions: 26
Worksheet time: 1hrs 20mins
It is a form of energy that can be easily changed to other forms.
Electricity
Conventional Current
Voltage
Electron
The rate of flow of electric charge in a circuit.
Electricity
Electric Current
Voltage
Electron
The battery in a circuit gives energy to the .......................... and push them around a circuit.
Electricity
Electric Current
Voltage
Electron
The electrons in the circuit flow from ........................ terminal of the cell, round the circuit, and back to the .......................... terminal of the cell.
negative / positive
positive / negative
Light bulb, wires, batter refer to .................
components
electric circuit
current
non of the above
Incomplete circuits are called
open circuits
close circuites
Find the missing reading of the ammeter
0.7 A
1.3 A
1 A
0.3 A
A measure of how much energy the electrons receive.
Electricity
Conventional Current
Voltage
Electron
In Parallel circuit current ................................
same
divides
In Parallel circuit Voltage ................................
same
divides
In Series circuit Voltage ................................
same
divides
In Series circuit Current ................................
same
divides
Find the Voltage
3 V
6 V
9 V
12 V
Find the voltage
3 v
6 v
9 v
12 v
Describes how easily charges flow through one object in comparison to any other object.
electricity
conductor
insulator
resistance
Difficult for the current to flow
high resistance
low resistance
Good conductors of electricity have .................
high resistance
low resistance
Poor conductors of electricity have .................
high resistance
low resistance
Unit for resistance
volt
ohm
amp
Factors affecting resistance
length of the material
the cross-sectional area of material
the temperature of the material
all are true
How to measure resistance
Resistance = Voltage / Current
Resistance = Current / Voltage
Resistance = Voltage x Current
A small light bulb is connected to a 6 V battery and draws 2 A of current.
What is the net resistance of the bulb?
0.67 ohms
3 ohms
12 ohms
all are wrong
Find I
0.5 A
50 A
0.5 V
50 V
If a toaster produces 12 ohms of resistance in a 120-volt circuit, what is the amount of current in the circuit?
10 A
10 V
144 A
144 V
A walkman uses a standard 1.5 V battery. How much resistance is in the circuit If it uses a current of 0.01A?
150 ohm s
15 ohm s
0.015 ohm s
0.15 ohm
How much voltage would be necessary
to generate 10 amps of current
in a circuit that t has 5 ohms of resistance?
2 v
50 v
0.5 v
0.2 v
