Quiz on Transformers in Power Distribution

Where is the step-down transformer typically located in the power distribution system?

• Near residential areas

• At the power station

• Near industrial areas

• At the beginning of the transmission lines

Which component in the diagram is responsible for decreasing the voltage?

• Power station

• Step-up transformer

• Transmission lines

• Step-down transformer

What is the nature of a magnetic field?

• It is a force field

• It is a gravitational field

• It is an electric field

• It is a chemical field

Which of the following statements is true about magnetism?

• It acts at a distance

• It requires direct contact

• It only occurs in liquids

• It only occurs in gases

What is the force that acts between magnets and magnetic materials called?

• Magnetism

• Electricity

• Gravity

• Chemical bonding

In the right-hand rule, which part of the hand points in the direction of the current?

• Fingers

• Palm

• Thumb

• Wrist

Which of the following statements is true about the right-hand rule?

• It is used to measure the current in a conductor

• It is used to determine the direction of the magnetic field around a conductor

• It is used to calculate the resistance of a conductor

• It is used to find the voltage in a circuit

How can the direction of the coil flux be remembered?

• By using the left-hand rule.

• By using the right-hand rule.

• By using the thumb rule.

• By using the index finger rule.

What happens to the field if the direction of the current is reversed?

• The field remains the same.

• The field weakens.

• The field also reverses.

• The field strengthens.

What is produced when the fields of individual turns of a coil combine?

• A resultant field.

• A magnetic pole.

• An electric current.

• A magnetic flux.