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 resistance of a conductor is dependent on four factors?
3.
How much pd is left by the time one coulomb travels from start to finish of a circuit?
4.
What force is used to push electrons around a circuit?
6.
Resistances 4 Ω, 25 Ω 20 Ω and 5 Ω are connected in series. The total resistance of the circuit is?
7.
Work done is calculated by multiplying?
8.
Which one of the following components would cause current and voltage to behave as indicated in the sine wave shown?
9.
When the resistance of an electrical circuit is increased and the voltage stays the same, then the?
10.
Which Electronic component is used in modern Dimmer switches?
11.
The units of electrical current, potential difference and resistance are respectively?
12.
What is the difference in a mass of an object on Earth and when it is placed on the moon?
13.
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?
14.
What is the Quantity symbol for Length?
15.
The voltage of the alternator is shown in the form of a?
16.
If a lever has a force in the middle between the fulcrum and the load, it is known as a?
17.
Refer to the figure shown. What does value 'B' indicate?
18.
What is the Quantity symbol for Reactance?
19.
What is the Quantity symbol for Potential Difference?
20.
Conducting materials contain electrons which are?
21.
A single phase lighting circuit has fifteen 150W fluorescent lights to be installed, what is the design current of the circuit
22.
What would be the effect on magnetic flux for the two equal, current-carrying conductors shown?
23.
If a charge of 10 Coulombs passes through a circuit every 0.5 of a second, how much current is flowing?
24.
A length of a conductor has a resistance of 1Ω . If its cross sectional area was doubled its resistance would be?
25.
The heat which is transferred to a room from an oil-filled radiator is by?
26.
A series circuit consists of three resistors with values of 100Ω, 250Ω and 350Ω. The total resistance is?
27.
Which of the following makes use of the magnetic effect of an electric current?
28.
What is the formula for mechanical power?
29.
What do we call substances that have molecules that are almost unrestricted in movement?
30.
What is "Potential Difference" measured in?