ELECTRICITY AND CIRCUITS 1

____ is the positive terminal of an electrical cell.

• Metal disc

• Metal case

• Metal cap

• Metal base

A combination of two or more electric cells is called _____

• Electric circuit

• Battery

• Terminals

• None of these

Electric energy is produced from the ______ within the cell.

• Chemicals

• Metals

• Terminals

• None of these

The electric current in a closed circuit always flows from the ____ terminal of the electric cell to the _____ terminal.

• Negative to positive

• Positive to negative

• Positive to positive

• None of these

Cell is a device which-

• Converts chemical energy into electrical energy.

• Electrical energy into light energy

• Electrical energy into magnetic energy

• None of these

The base of an electric cell is its-

• Positive terminal

• Negative terminal

• Positive and negative

• None of these

The total energy of universe is always

• changing

• constant

• increasing

• decreasing

The carbon rod inside a cell is responsible for _________________ terminal of the cell.

• positive

• negative

The zinc inside a cell is responsible for _________________ terminal of the cell.

• positive

• negative

In which of these cases the electrolyte of the cell will be used up most quickly?

• Cell connected to a bulb and switch

• Cell connected to two bulbs

• Two cells connected to each other

• Two cells connected to a bulb