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.
Work done is calculated by multiplying?
2.
If a lever has a force in the middle between the fulcrum and the load, it is known as a?
3.
Which of the following makes use of the magnetic effect of an electric current?
4.
What is the Quantity symbol for Resistivity?
6.
A d.c. motor takes 9.6 A from a 400 volt supply. Calculate the power input to the motor?
7.
What is the Quantity symbol for Temperature?
8.
A Preset temperature of an immersion heater is maintained by a?
9.
What is the SI unit of measurement for Temperature?
10.
A coil of wire is placed in a changing magnetic field. If the number of turns in the coil is increased, the voltage induced across the coil will?
11.
The root mean square value of a sinusoidal current having a peak value of 10 A is?
12.
A 2 kW, 230 V immersion heater will draw a current of?
13.
Calculate the resistance of a resistor which absorbs 5000W when a current of 15A passes through it?
14.
What is the definition of 1 ampere ?
15.
What is the SI unit of measurement symbol for Temperature?
16.
A 6KW Cooker supplied by 230V, requires a design current of?
17.
Which one of the following has the lowest resistivity?
18.
Transpose the formula R = pL/a to find p?
19.
A length of a conductor has a resistance of 1Ω . If its cross sectional area was doubled its resistance would be?
20.
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?
21.
Which of the following two methods of space heating?
22.
A resistor network with three resistors 9Ω, 3Ω, 2Ω are connected in parallel. What will their combined resistance be?
23.
If a lever has a fulcrum is at one end and the load is in the middle but nearer to the fulcrum it is known as a?
24.
The direction of the magnetic field produced by a current in a coil depends on the direction of the?
25.
What is the formula for energy?
26.
An electronic device used to detect changes in levels of light is?
27.
What is the value of the total resistance in the diagram?
28.
When a conductor cuts through a magnetic field at right angles to the magnetic flux?
29.
What value of resistance is required to have a current of 12A, from a supply of 230v?
30.
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?