Which component in a transformer is primarily responsible for reducing eddy current losses?

• Insulation

• Laminated core

• Windings

• Cooling system

What is the function of a circuit breaker in an electrical system?

• To provide a continuous power supply

• To increase the voltage level

• To automatically interrupt power flow during a fault

• To convert AC to DC

What are the two types of iron-core construction?

• Laminated type and Non-laminated type

• Core type and Shell type

• Magnetic type and Non-magnetic type

• Insulated type and Non-insulated type

Which of the following components is present in both core-type and shell-type transformer constructions?

• Laminated core

• High-voltage winding

• Low-voltage winding

• Leads

What is the primary difference between core-type and shell-type transformer constructions?

• The number of windings

• The placement of the laminated core

• The type of leads used

• The voltage levels they handle

Renewable sources of energy from the list would be

• Wind and solar

• Gas and oil

• Coal

• Nuclear

What is the main purpose of using a surge protector in an electrical circuit?

• To protect the circuit from voltage spikes

• To increase the voltage in the circuit

• To decrease the current in the circuit

• To monitor the circuit for faults

The efficient way of electricity transmission would be

• High voltage/ low current method

• High current/ Low voltage

• DC

• Very large conductors

Fuses are used to protect electrical plant and apparatus by acting as

• The weakest link for overcurrents

• A voltage sensitive link

• A surge protector

• A fault monitor

Generation, transmission and distribution system relationships are maintained by

• Oftel

• Ofcom

• Ofgem

• Ofsted