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Worksheets

EFFECTS OF ELECTRIC CURRENT

Total questions: 10

Worksheet time: 4mins

Name
Class
Date
1.

there are __________ types of effects of electric current

a)

5

b)

4

c)

3

d)

2

2.

When electric current passes through a conducting solution, it causes _______ _______

a)

chemical reactions

b)

light effect

c)

magnetic effect

d)

nucleus reaction

3.

Tick the chemical effect of elecric current

a)

boiling

b)

motion

c)

electro shock

d)

Electroplating

4.

Who discovered chemical effect of elecric current?

a)

Thomas Edison

b)

Joule-Lenz

c)

Michael Faraday

d)

James Watt

5.

Who discovered heating effect of elecric current?

a)

James Watt

b)

Joule-Lenz

c)

Michael Faraday

d)

Thomas Edison

6.

Tick the electric apps working with mechanical effect of electric current

a)

Juice squeezer

b)

Electric oven

c)

Compass

d)

Electric kettle

7.

When an electric current pass through by the conductors, the conductor ___________ ______

a)

to begin crash

b)

going to freeze

c)

heats up

d)

going to melt

8.

One advantage for physiological effects of electric current

a)

Respiratory paralysys

b)

Organ start to burn

c)

Tissue start to burn

d)

Galvanotherapy

9.

One disadvantage for physiological effects of electric current

a)

Respiratory paralysys

b)

Electro Shocker – for the safety

c)

To do echo-cardiogram

d)

Galvanotherapy

10.

What kind of process don't go when observe the chemical effect of electric current

a)

Formation of gas bubbles at the electrodes

b)

Deposit of metal on the electrodes

c)

Electric motor begin to move

d)

Change in colour of the solution