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Charge is a flow of?
electrons
neutrons
atoms
protons
Electricity is a flow of?
ions
The negatively charged part of an atom is called the
proton
ion
neutron
electron
The positively charged part of an atom is called the
Which of the following rely upon the chemical effect?
electric cell
thermocouple
alternator
filament lamp
Which of the following rely upon the heating effect?
motor
The chemical effect of current is used in
generator
transformer
Fuse
electroplating
Which of the following combinations are required to produce electricity by induction?
two different metals and a solution
conductor and a magnet
An Anode and a cathode
two metals and a heat source
The symbol shown below represents
inductor
resistor
battery
capacitor
Orbiting around the nucleus of an atom are
When a magnet is passed close to a conductor electricity is produced by
convection
electrolysis
induction
conduction
The SI unit of temperature is degrees
rankine
Kelvin
Fahrenheit
celcius
The SI unit for velocity is
metres per hour
metres per second
centimetres per second
miles per hour
The SI unit for mass is
tonne
pound
kilogram
gram
Hertz is the SI unit for
capacitance
frequency
impedance
reactance
Ampere is the SI unit of
charge
current
resistance
voltage
Weber is the SI unit for
magnetic flux
electromotive force
flux density
The SI unit of volume is
The SI unit of time is
millisecond
second
hour
minute
The SI unit of electric charge is
farad
coulomb
joule
weber
The SI unit of inductance is
henry
webber
The SI unit of capacitance is
The SI unit of electromotive force is
ohm
volt
ampere
The SI unit of power is
tesla
watt
Tesla is the SI unit for
Protons and electrons possess an electric charge. Which of the following statements is correct?
Electrons possess a negative charge
Electrons possess no charge
Electrons possess a positive charge
Protons possess a negative charge
The SI Unit for Frequency is
Volts
Hertz
Watt
Joules
SI unit for Length
Millimetres
Centimetre
Decimetre
Metre
The central nucleus of an atom consists of the following
Protons & neutrons
Protons & ions
Electrons & neutrons
Protons & electrons
The impedance of an inductive circuit is represented by the symbol
P
X
R
Z
Given the formula, when transposed to give R it equals
To calculate impedance the following formula can be used. Which of the following would be used to find R
To calculate impedance the following formula can be used. Which of the following would be used to find KW
Which of the following formulas would be used to calculate transformers
Metre per second squared is used to measure
Acceleration
Volume
Probability
Velocity