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Unit 17: Electric Circuits

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1

Electric energy consumed is usually measured in:

2

One kilowatt-hour is equal to:

3

Which symbol represents a cell in a circuit diagram?

4

Which of the following reduces the risk of electric shock?

5

The SI unit of electric power is:

6

When cells are connected in series, the total EMF is:

7

Which device is used to measure electric current?

8

Which factor does NOT affect resistance of a conductor?

9

When identical cells are connected in parallel, the total EMF is:

10

Ohm’s law states that current is directly proportional to:

11

Which of the following is NOT a circuit element?

12

The material used for making fuse wire should have:

13

Which of the following converts electrical energy into light?

14

Which wire in household circuits carries current to the appliance?

15

The SI unit of resistance is:

16

Which graph represents Ohm’s law?

17

Which factor increases electric power?

18

The SI unit of electric current is:

19

Which quantity remains the same across each branch of a parallel circuit?

20

Electricity is widely used because it is:

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