Electric cell

which of the following type of energy can be converted easily into mechanical energy, sound energy, heat energy and light energy?

• kinetic energy

• potential energy

• electric energy

• magnetic energy

An electric cell has _____________terminals.

• one

• two

• three

• no terminals

When electricity passes through a bulb, it gives off:

A. sound B. Light C. Electricity D. Heat

• A and B

• B only

• B and C

• B and D

In a dry cell we get electric energy by converting __________________ stored in it.

• mechanical energy

• chemical energy

• light energy

• heat energy

Terminals of any cell are called...................

• Positive and negative

• North pole and South pole

We should not connect the terminals of a cell directly with a wire because.............

• It can drain the power faster or explode it

• It will separate the terminals

• We can get electric shock

• It will change the terminals of the cell

Electricity is a form of ____________

• ray

• energy

• wire

• appliance

In a dry cell carbon rod act as___________-

• chemical

• negative terminal

• positive terminal

• outer cover

_______________________ act as a negative terminal in a dry cell.

• NH₄Cl

• MnO₂+C

• Zinc container

• Carbon rod

In an electric circuit electrons always flow ________________ of the battery.

• from positive to negative terminal

• from negative to positive terminal

• in any direction but in straight line