Welcome to your 2365 602 Electrical Science
1.
Which one of the following is used to determine the voltage in a circuit?
2.
What is "Potential Difference" measured in?
3.
A Voltmeter is connected?
4.
Which of the following statements regarding molecular structure is true?
5.
Which is not an expression of 1 micrometer?
6.
65% can be expressed as a decimal as?
8.
What is the Quantity symbol for Time?
9.
The heat which is transferred to a room from an oil-filled radiator is by?
10.
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?
11.
The magnetic effect of an electric current is put to use in a?
12.
What is the SI unit of measurement symbol for Temperature?
13.
When a conductor cuts through a magnetic field at right angles to the magnetic flux?
14.
Calculate the resistance of a resistor which absorbs 5000W when a current of 15A passes through it?
15.
What is the value of the Current flow in the circuit diagram?
16.
Which of the following devices are used to provide temperature control when heating spaces
17.
The diagram shows a simple motor, indicating the field poles and direction of current flow. In which one of the following directions would the conductor move?
18.
What do we call substances that have molecules that are densely packed?
19.
The resistivity of an electrical conductor depends on its?
20.
A 2 kW, 230 V immersion heater will draw a current of?
21.
What is the formula for mechanical power?
22.
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)?
23.
A 6 pole three-phase alternator is to give an output of 50Hz. It must be driven at a speed of?
24.
What is the SI unit of measurement for Frequency?
25.
The relationship between the mass of a body, the applied force to the body and the acceleration of the body is given by the formula?
26.
Which of the following devices are solely used to provide energy at the correct time and minimise wastage
27.
What is the definition of 1 ampere ?
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.
Which of the following statements is not true?
30.
What do we call substances that have molecules that are almost unrestricted in movement?