Volt drop exercise

Jacob is installing a 10A single phase water heater in his home. He uses a 2.5mm T&E cable that is 30m long. What's the volt drop on the cable?

• 1.4V

• 3.4V

• 4.4V

• 5.4V

Aarav is installing a 30A EV charger in his garage. He uses a 4mm flex cable that is 20m long. What's the volt drop on the cable?

• 15.5V

• 12.8V

• 11.8V

• 10.8V

William is installing a new outdoor light for his garden. He uses a 1mm flex cable that is 75 m long to connect the light, which requires 1A of current. What's the volt drop on the cable?

• 5.5V

• 3.3V

• 4.4V

• 2.2V

Poppy is installing a bore hole pump for her garden. She uses a 4mm single cable that is 80m long to feed an 18A bore hole pump, installed in conduit. What's the volt drop on the cable?

• 1.5V

• 2.3V

• 15.8V

• 1.58V

James is installing a 3kW water heater in his home. He uses a 2.5mm T&E cable that is 45m long. What's the volt drop on the cable?

• 5.5V

• 8.5V

• 9.5V

• 10.5V

Matilda is installing electrical wiring in her new workshop. She needs to know how much current a 2.5mm T&E cable can carry if it's in conduit on a wall for 45m. Can you help her?

• 10A

• 20A

• 16A

• 26A

George is installing electrical wiring in his new workshop. He needs to know how much current a 1.5mm flex cable can carry if clipped along a timber beam for 25m. Can you help him find out?

• 9.5 Amps

• 14. 14.5 Amps

• 19.5 Amps

• 24.5 Amps

Sophie is installing electrical wiring in her new workshop. She needs to know how much current a 2.5mm single cable can carry if it's in trunking on a wall. Can you help her find out?

• 24 Amps

• 14 Amps

• 18 Amps

• 8 Amps

James is installing electrical wiring in his new workshop. He needs to know how much current a 1.5mm single cable can carry if it's in conduit on a wall. Can you help him find out?

• 7.5 Amps

• 10.5 Amps

• 15.4 Amps

• 17.5 Amps

Oscar is installing electrical wiring in his new workshop. He needs to know how much current a 6mmT&E cable can carry if it's clipped on a wall. Can you help him?

• 10A

• 20A

• 30A

• 40A