Understanding Voltage Drop

What analogy is used to explain voltage drop?

• A pressure drop in plumbing

• A blockage in a water hose

• A reduction in sound volume

• A decrease in wind speed

How is voltage drop experienced?

• Under any conditions

• When the circuit is short-circuited

• Only when a circuit is open

• Only under a load

What increases voltage drop across a conductor?

• Decrease in distance

• Increase in conductor size

• Increase in distance

• Use of gold conductors

Why does a three-phase circuit experience less voltage drop than a single-phase circuit?

• It has a higher resistance

• It operates at a lower frequency

• It uses less energy

• It's more efficient in carrying pressure

What is a common symptom of voltage drop in lighting systems?

• Lights operating normally

• Lights changing colors

• Lights becoming brighter over time

• Dimming or flickering of lights

How does voltage drop affect heaters?

• They become more efficient

• They heat up more quickly

• They do not heat up fully

• They consume less power

What is the effect of increasing conductor size on voltage drop?

• Initially decreases then increases voltage drop

• Increases voltage drop

• Decreases voltage drop

• No effect on voltage drop

How does distance affect voltage drop?

• Decreases voltage drop

• Initially increases then decreases voltage drop

• Increases voltage drop

• No impact

What happens to motors experiencing voltage drop?

• They become quieter

• They may overheat due to overcurrent

• They consume less current

• They run faster

What is the recommended maximum voltage drop for branch circuits?

• 10%

• 5%

• 3%

• 1%