Alternating Current

Question 1

The Current in the Circuit is Called a _________ Current (D.C) because it’s in One Direction Only.

Answer 1

Direct.

Question 2

When you Switch on a Light at Home, you’re Using an ______________ Current (A.C).

Answer 2

Alternating.

Question 3

Every Mains Circuit has a Life Wire and a ___________ Wire. The Current through a Mains Appliance _____________.

Answer 3

Neutral…Alternates…

Question 4

The Neutral Wire is Earthed at the Local Electricity Substation. The Potential Difference Between the _______ Wire and Earth is Usually Called the Potential or ___________ of the Live Wire.

Answer 4

Live…Voltage…

Question 5

Step-Up Transformers are Used at Power Stations to Transfer Electricity to the ______________ Grid.

Answer 5

National.

Question 6

Step-Down Transformers are Used to Supply Electricity From the National Grid to ______________.

Answer 6

Consumers.

Question 7

Frequency = __ / Time ________ For 1 Cycle.

Answer 7

1…Taken…