Electricity -Grade 6

True/False: A cell has three terminals

• true

• false, a cell has only one terminal

• false, a cell has two terminals

• false, a cell can have any number of terminals

Which of the following is the source of electricity in mobile phone?

• charger

• solar cell

• primary cell

• secondary cell

Secondary cells are also called as _____________

• storage cells or accumulators

• batteries

• solar panels

• heat resistors

The electric current in the circuit always flows from ____________ terminal of the cell to the ___________ terminal.

• positive, negative

• negative, positive

• positive, positive

• negative,negative

Give one word for:A portable source of electrical energy

(a)  

The circuit symbol of a cell has one long line and one short line. The short line represents _______________ terminal of cell.

• positive

• negative

• zero

• higer

In space, electricity is provided to artificial satellites using __________ .

• Electric cells

• dry cells

• sunlight

• solar panels

Primary cells are discarded after it is exhausted because

• the chemical reaction in it is irreversible

• they cannot be recharged

• they are not reusable

• all of the above

The diagram shown is the circuit symbol of (a)