Welcome to your 2365 602 Electrical Science
1.
An example of a class 2 Lever is?
2.
The heat which is transferred to a room from an oil-filled radiator is by?
3.
Which best describes the lever in the diagram?
4.
Which of the following meters uses a small current and voltage to determine its value?
5.
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?
6.
Refer to the figure shown. What does value 'B' indicate?
7.
The magnetic effect of an electric current is put to use in a?
8.
A 12V battery is connected across a set of resistors in series, values being, 60Ω, 30Ω, 100 Ω and 45Ω. The current flowing in the circuit is?
9.
A boiler supplied from 230V will draw 3.1A, what will the resistance be?
10.
The resistivity of an electrical conductor depends on its?
11.
Which ONE of the following statements is true?
12.
Large quantities of electric power are produced in generators or alternators by?
13.
Electric current is constituted by the movement of?
14.
What is the value of the total resistance in the diagram?
16.
Which one of the following does NOT conduct electricity?
17.
A 2 kW, 230 V immersion heater will draw a current of?
18.
Insulating materials contain electrons which are?
19.
How much pd is left by the time one coulomb travels from start to finish of a circuit?
20.
Which of the following makes use of the magnetic effect of an electric current?
22.
How many Diodes are in a Bridge rectifier?
23.
Another way of writing 3.7 x 10 to the power of 6 (3.7 x 10⁶) seconds would be?
24.
Which Electronic component would be used in a domestic central heating digital thermostat?
26.
What is the SI unit of measurement symbol for Current?
27.
If a lever has a force in the middle between the fulcrum and the load, it is known as a?
28.
What is the SI unit of measurement for Energy?
29.
Work done is calculated by multiplying?
30.
What is the SI unit of measurement for Current?
By Neil