Transformer

A Transformer is used to change _________in a circuit

• Voltage

• frequency

• power

• inductance

True or False.. In an electrical transformer, High Voltage side will have more number of turns:

• True

• False

Transformer works on which of the following principle:

• Fleming's Law

• Faraday's Law of Electromagnetic induction

• Ampere's Law

• Lenz Law

Which of the following represent the ratings on a transformer

• KVA and A

• KW and V

• V and R

• W and I

True or False.... Transformer Oil acts as Coolant but not as Insulating Medium

• True

• False

True or false...Electrical Transformer can able to Transform both AC and DC Voltages in a Circuit:

• True

• False

What type of transformer is this?

• Step up

• Step down

Lamination of the transformer core is made of _____________

• Iron

• Silicon Steel

• Aluminum

• Cast Steel

A transformer transform

• Current

• Voltage & current

• Frequency

• Voltage

Primary winding of a transformer

• is always a low voltage winding

• is always a high voltage winding

• Could either be a low voltage or high voltage winding

• none of the above