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.
Which in the diagram shows the correct rotation of the magnetic field?
2.
Which one of the following does NOT conduct electricity?
3.
What is the Quantity symbol for Mass?
4.
What force is used to push electrons around a circuit?
5.
A rotating part of a machine which has teeth or cogs and helps to transmit torque is know as?
6.
Which of the following electronic components will not allow current flow unless a preset voltage is reached
7.
Large quantities of electric power are produced in generators or alternators by?
8.
Refer to the figure shown. What does value 'A' indicate?
9.
What is the definition of 1 ampere ?
10.
A length of copper wire has a resistance of 5Ω. What would be the resistance if the length of wire were halved and the cross sectional area doubled?
11.
Which of the following devices are solely used to provide energy at the correct time and minimise wastage
12.
If a single loop of wire connected to a commutator is rotated in a permanent magnetic field, the voltage measured at the commutator will be?
13.
The resistivity of an electrical conductor depends on its?
14.
A boiler supplied from 230V will draw 3.1A, what will the resistance be?
15.
Which best describes the lever in the diagram?
16.
A single phase lighting circuit has fifteen 150W fluorescent lights to be installed, what is the design current of the circuit
18.
If a motor’s input is 75 Watts and it’s output is 50 Watts, what is the efficiency of the motor?
19.
What is the value of the total resistance in the diagram?
20.
A series circuit consists of three resistors with values of 100Ω, 250Ω and 350Ω. The total resistance is?
21.
What is the formula for mechanical power?
22.
What is the SI unit of measurement symbol for Luminous intensity?
23.
Which Electronic component would be used in a domestic central heating digital thermostat?
24.
The relationship between the mass of a body (m), the applied force to the body (F) and the acceleration of the body (a) is given by the formula?
25.
The chemical effect of a current is used in?
26.
Refer to the figure shown. What does value 'B' indicate?
27.
Insulating materials contain electrons which are?
28.
The units of electrical current, potential difference and resistance are respectively?
29.
In the diagram which best represents the Meter labelled as 'B'
30.
What do we call substances that have molecules that are almost unrestricted in movement?
