A cooker circuit is to be installed on a 230V supply, the 45A isolation switch has a socket outlet, the cooker has the following: A 1800W induction plate, A 1.2kw Grill and a 3.5Kw oven. The circuit requires diversity to be applied. What is the Design current of the circuit?
The current of a load has been determined to be 11.2A. The resistance of the circuit has been measured at 14ohm. What is the power being being generated by the circuit?
A circuit has a resistance of 20ohm. The same circuit has a load of 10.3A. What is the Voltage of the circuit?
Which Type of Earthing system is being shown below?
The values of R1 = 12ohm, R2 = 8.7ohm and R3 has a value of 13ohm. What is the RT of the circuit?
In relation to electrical installations, What is meant by MET.
What is the frequency used in the UK for single phase systems?
What is the current diversity factor for a boiler?
What is the BS number of a miniature circuit breaker?
Which best describes the operation of how an RCD works?
Small hand tools can be maintained by?
A 2.5sq/mm twin and earth cable would commonly be used for
What is the insulator for an 11kV overhead line made from?
What is the insulator for an 11kV overhead line made from?
Conducting materials contain electrons that are
What is the main purpose of 'equipotential bonding' ?
What is the SI unit for Power
What is the Is unit for impedance
Electrical energy in a 'resistive' circuit converts energy into ?
What is the formula for work done?
Which one of the following formulas is used to determine resistance in an electrical circuit?
Which ONE of the following devices is NOT activated by heat?
Which one has the lowest resistivity?
If a length of cable is 25m long and it has a resistance of 10ohm, what would be the resistance of 50m of the same cable?
