Welcome to your 2365 602 Electrical Science
1.
When the resistance of an electrical circuit is increased and the voltage stays the same, then the?
2.
What is the SI unit of measurement symbol for Time?
3.
A load of conduit has a mass of 137kg, what force will be required to lift it?
4.
The resistance of a conductor is dependent on four factors?
5.
What would be the effect on magnetic flux for the two equal, current-carrying conductors shown?
6.
Which best describes the lever in the diagram?
7.
The heat which is transferred to a room from an oil-filled radiator is by?
8.
What is the SI unit of measurement symbol for Luminous intensity?
9.
Transpose the formula R = pL/a to find p?
10.
The direction of the magnetic field produced by a current in a coil depends on the direction of the?
11.
Which Electronic component is used in modern Dimmer switches?
12.
How much pd is left by the time one coulomb travels from start to finish of a circuit?
13.
What is the difference in a mass of an object on Earth and when it is placed on the moon?
14.
Which of the following electronic components will not allow current flow unless a preset voltage is reached
15.
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?
16.
What is the Quantity symbol for Resistivity?
17.
Which best describes the lever in the diagram?
18.
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?
19.
What is the SI unit of measurement for Work?
20.
An electric potential is generated by thermal means when?
21.
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?
22.
Resistances 4 Ω, 25 Ω 20 Ω and 5 Ω are connected in series. The total resistance of the circuit is?
23.
What is the angle identified by the theta symbol in the diagram?
24.
The root mean square value of a sinusoidal current having a peak value of 10 A is?
26.
A 2 kW, 230 V immersion heater will draw a current of?
27.
50 meters of cable has resistance of 8.64Ω, what is the resistance if the length is 100 meters?
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.
A heater element has a resistance of 20Ω. Calculate the supply voltage if the current flowing is 5.5A?
By Neil