Welcome to your 2365 602 Electrical Science. This mock exam is not a substitute for proper teaching or revision and should only be used as a resource to prepare learners for the exam. The questions (along with the wording and diagrams) contained within the bank of this exam are purely made up by our lecturers and not copied from any actual qualification exam. So while this is an excellent free revision resource, please do not rely on these exam questions alone to help you be successful within your qualifications. When you are ready, please press "start quiz".
1.
The meter used in an electrical installation for recording the energy used is called?
2.
Which in the diagram shows the correct rotation of the magnetic field?
3.
Which one of the following does NOT conduct electricity?
4.
What is the difference in a mass of an object on Earth and when it is placed on the moon?
5.
Refer to the figure shown. What does value 'B' indicate?
6.
When the resistance of an electrical circuit is increased and the voltage stays the same, then the?
7.
What is the formula for electrical charge?
8.
A device consists of soft iron bar with a single coil of insulated wire wound on it. When a current flows in the coil the device acts as?
9.
When a conductor cuts through a magnetic field at right angles to the magnetic flux?
10.
Work done is calculated by multiplying?
11.
What is the value of the total resistance in the diagram?
12.
A circuit dissipates 3kW at a power factor of 0.7 when connected to a 230V a.c. supply. The current flowing in the circuit will be?
13.
The electrical energy supplied by a lead-acid battery is produced by?
14.
What do we call substances that have molecules that are less densely packed?
15.
In the triangle shown what is the side labelled 'B' known as?
16.
What is the formula for average mechanical power?
17.
What is the SI unit of measurement symbol for Luminous intensity?
18.
A 12V battery is connected across a set of resistors in series, values being, 60Ω, 30Ω, 100 Ω and 45Ω. The current flowing in the circuit is?
19.
Which of the following statements describes the frequency of a waveform?
20.
The resistance of a conductor is dependent on four factors?
21.
Which best describes the lever in the diagram?
22.
What is the SI unit of measurement symbol for Current?
23.
Using OHMS Law at a constant voltage, if Current increase then resistance?
24.
Which Electronic component is used in modern Dimmer switches?
25.
What unit is used to quantify the amount of current flowing in a circuit in the same way a plumber would count water-flow through a pipe (litres/second)?
26.
Which of the following devices are solely used to provide energy at the correct time and minimise wastage
27.
An Electric storage heater uses the heating method of?
28.
Which of the following devices does not use the magnetic effect of electric current?
29.
What is the Quantity symbol for Reactance?
30.
Transpose the formula R = pL/a to find p?
