Lead Acid Cell

Q.

Which of the following has the defects like local action and polarization?

1. Daniel cell

2. Voltaic cell

3. Leclanche cell

4. dry cell

Q.

Which metal is used as a cathode?

Q.

The ideal level of current ratio is

Q. The electric potential offered by Lead-Acid cell is________.

1. 1.2 volt
2. 12 volt
3. 2 volt
4. 9 volt

Q. Which of the following are components of an electrolytic cell?

1. Electrical wires
2. Electrode
3. Electrolytic solution
4. Plastic rod

Q.

What is the electrolyte in a voltaic cell? Mention the

electrolytes used in

(1) Daniel cell.

(2) Leclanche cell.

(3) Bichromate cell.

(4) Dry cell.

Q. How does a battery work? Explain

Q. Battery is a combination of _______________ number of cells.

1. one
2. five
3. seven
4. two

Q. Two wires of the same material having lengths in the ratio of $1:2$ and diameters in the ratio of $2:3$ are connected in series with an accumulator. Compute the ratio of the potential difference across the two wires.

Q. In a lead-acid cell, the reason for development of positive and negative charge on the electrodes is ____.

1. external heating of both the electrodes
2. external current supply to both the electrodes
3. chemical reactions between the electrodes and electrolytes
4. external current supply through the electrolyte

Q.

The electrolyte of both the Iaclanche cell and the dry cell is ammonium chloride.

1. True
2. False

Q. In a Lead-Acid cell, the substance used as electrolyte is______.

1. nitric acid
2. ammonium chloride
3. baking soda
4. sulfuric acid

Q. Suppose that an alkaline dry cell was manufactured using cadmium metal rather than zinc. What happens to emf?

1. There will be no change in emf.
2. The voltage would increase.
3. The voltage would decrease.
4. The setup will not work.

Q. Is it possible that any battery has some constant value of emf, but the potential difference between the plates is zero?

1. Not possible
2. Yes, if another identical battery is joined in series
3. Yes, if another identical battery is joined in opposition
4. Yes, possible, if another similar battery as joined in parallel