Dry Cell

Q. Which of the following converts chemical energy into electrical energy?

1. Electric fuse
2. LED
3. Dry cell
4. Electric cooker

Q.

What are the two terminals of an electric cell called?

1. Left terminal, right terminal

2. Positive terminal, negative terminal

3. High terminal, low terminal

4. Upper terminal, lower terminal

Q.

What is an Edison accumulator? Give its construction and working.

Q. What are the different sources of electricity?

Q.

What is an electric cell? What are the various elements and functioning of an electric cell? [3 MARKS]

Q. In a dry cell, the graphite rod is surrounded by a mixture of carbon and ____________.

1. ammonium chloride
2. ammonium sulphate
3. aluminium sulphate
4. calcium oxide

Q.

What are the number of terminals in an electric bulb?

1. One terminal

2. Two terminals

3. No terminal

4. Either A or C

Q.

Why do dry cells not last forever?

Q.

Which among the following is an example of secondary cells?

1. Leclanche cell

2. Lead-storage battery

3. Dry cell

4. Alkaline cell

Q. Metal cap of an electric cell is the terminal of the cell.

1. negative
2. positive
3. right

Q. Two terminals of an electric cell are positive and ___.

Q.

Metal cap of an electric cell is __________ terminal of the cell.

Q.

Fill in the blank:

Cells that can be recharged are called _________ cells.

Q.

State the energy conversion in a dry cell.

Q.

Metal cap of an electric cell is the __________.

1. All of these

2. Neutral terminal of the cell

3. Positive terminal of the cell

4. Negative terminal of the cell

Q. In a dry cell:
Statement I: Zinc container act as a negative terminal.
Statement II: The positive terminal is attached to a graphite rod.

Select the correct statement(s).

1. Both the statements are incorrect.
2. Only statement II is correct.
3. Both the statements are correct.
4. Only statement I is correct.

Q. what happens to capacitance when battery is disconnected??

Q.

Dry cells is an improvement on :

1. simple voltaic cell

2. wet le-clanche cell

3. bichromate cell

4. none of the above

Q. An electric cell has terminals.

1. three
2. four
3. one
4. two

Q. In the symbol of an electric cell, the longer line represents the:

1. Positive terminal
2. Negative terminal
3. Electric current
4. Voltage

Q. Which of these energy changes takes place in an electric cell?

1. A
2. B
3. C
4. D

Q. An electric cell has three terminals.

1. True
2. False

Q. In an electric circuit, the current flows from to terminal of the battery.

1. positive
2. negative
3. inner
4. outer

Q.

In a bulb, electrical energy is converted into:

1. Heat energy only

2. Mechanical energy only

3. Light energy only

4. Both heat and light energy

Q.

The metal disc of an electric cell is:

1. Positive terminal

2. Negative terminal

3. Both positive and negative terminal

4. Neutral terminal

Q.

Metal cap of an electric cell is__________.

1. negative or positive terminal of the cell

2. negative terminal of the cell

3. neutral terminal of the cell

4. positive terminal of the cell

Q. An electric cell has three terminals.

1. True
2. False

Q. In an electric circuit, the current flows from to terminal of the battery.

1. positive
2. negative
3. inner
4. outer

Q.

MARK THE STATEMENT AS TRUE OR FALSE

Secondary cell can be used again.

1. True
2. False

Q. Which of the following statement(s) is/are correct about a dry cell?

1. Zinc acts as the negative terminal of the cell.
2. It can be recharged once its contents are exhausted.
3. A carbon rod with a metal cap acts as the positive terminal.
4. It contains a mixture of aluminium chloride and carbon particles.