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Questions and Answers
What is the primary function of a transformer?
What is the primary function of a transformer?
- To convert AC to DC
- To transform voltages
- To transmit electrical signals
- To increase or decrease voltage (correct)
What is the main component of a transformer?
What is the main component of a transformer?
- Resistor
- Capacitor
- Laminated soft iron frame (correct)
- Semiconductor
How does a transformer work?
How does a transformer work?
- By using a permanent magnet to induce a current in the secondary coil
- By passing direct current (DC) through the primary coil
- By passing alternating current (AC) through the primary coil (correct)
- By converting AC to DC in the primary coil
What is the difference between a step-up and a step-down transformer?
What is the difference between a step-up and a step-down transformer?
What is the purpose of the soft iron core in a transformer?
What is the purpose of the soft iron core in a transformer?
Why is the soft iron core of a transformer laminated?
Why is the soft iron core of a transformer laminated?
What is the relationship between the number of turns in the primary and secondary coils of a transformer?
What is the relationship between the number of turns in the primary and secondary coils of a transformer?
What is the purpose of the insulation between the primary and secondary coils of a transformer?
What is the purpose of the insulation between the primary and secondary coils of a transformer?
What type of current is used in the primary coil of a transformer?
What type of current is used in the primary coil of a transformer?
What is the purpose of the laminated soft iron frame in a transformer?
What is the purpose of the laminated soft iron frame in a transformer?
What is the main function of a transformer?
What is the main function of a transformer?
Which type of transformer can put out different amounts of voltage from the same input voltage?
Which type of transformer can put out different amounts of voltage from the same input voltage?
Which of the following is NOT a type of transformer?
Which of the following is NOT a type of transformer?
Which type of transformer consists of a single coil of insulated wire wound over a laminated soft iron core?
Which type of transformer consists of a single coil of insulated wire wound over a laminated soft iron core?
What is the key difference between the primary and secondary coils of a transformer?
What is the key difference between the primary and secondary coils of a transformer?
What is the purpose of a choke coil in a circuit?
What is the purpose of a choke coil in a circuit?
How does a low frequency choke coil differ from a high frequency choke coil?
How does a low frequency choke coil differ from a high frequency choke coil?
What is the main purpose of a capacitor in a power supply circuit?
What is the main purpose of a capacitor in a power supply circuit?
Which type of transformer is used to convert high voltages to low voltages?
Which type of transformer is used to convert high voltages to low voltages?
What is the key purpose of an ON-OFF switch in a power supply circuit?
What is the key purpose of an ON-OFF switch in a power supply circuit?
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