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 one of the following does NOT conduct electricity?
2.
What is the Quantity symbol for Time?
3.
Which of the following electronic components allows to flow in one direction only?
4.
Which of the following electronic components are used to control or reduce current flow?
5.
A Preset temperature of an immersion heater is maintained by a?
6.
The resistivity of an electrical conductor depends on its?
7.
What is the Quantity symbol for Resistance?
8.
Which of the following statements is not true?
9.
The units of electrical current, potential difference and resistance are respectively?
10.
What do we call substances that have molecules that are densely packed?
11.
A series circuit consists of three resistors with values of 100Ω, 250Ω and 350Ω. The total resistance is?
12.
Refer to the figure shown. What does value 'A' indicate?
14.
Refer to the figure shown. What does value 'B' indicate?
15.
A cooker has 4 x 1.5 kW hot plates, a 2 kW grill and a 3.5 kW oven. If the cooker is supplied from a 230 V ac supply, what is the maximum current drawn by the cooker?
16.
The root mean square value of a sinusoidal current having a peak value of 10 A is?
17.
A load of conduit has a mass of 137kg, what force will be required to lift it?
18.
Another way of writing 3.7 x 10 to the power of 6 (3.7 x 10⁶) seconds would be?
19.
Which of the following statements is correct?
20.
What is the definition of 1 ampere ?
21.
What is the value of the Current flow in the circuit diagram?
22.
A piece of steel wire is to be cut by a pair of wire cutters. The wire is gripped 5mm from the fulcrum, whilst the pressure is applied to the handles 80mm from the fulcrum. Calculate the force that must be applied to the handles in order to cut the wire if it requires a direct cutting force of 160N?
23.
A resistor network with three resistors 9Ω, 3Ω, 2Ω are connected in parallel. What will their combined resistance be?
24.
What is the difference in a mass of an object on Earth and when it is placed on the moon?
25.
The resistance of a conductor is dependent on four factors?
26.
Using OHMS Law at a constant voltage, if Current increase then resistance?
28.
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?
29.
What is the value of the total resistance in the diagram?
30.
What do we call substances that have molecules that are almost unrestricted in movement?
By Neil