Primary Cell

Q.

State the two kinds of cell. Give one example of each.

Q.

Name the constituents of a cell.

Q.

Why The Mercury Cell Has A Constant Cell Potential Throughout Its Useful Life?

Q.

What transformation of energy takes place when current is drawn from a cell?

1. Electrical energy changes to chemical energy

2. Chemical energy changes to voltage energy

3. Chemical energy changes to light energy

4. Chemical energy changes to electrical energy

Q.

A potential difference is created in an electric circuit due to a ___ .

Q.

All primary cells can be recharged.

1. True
2. False

Q. Question 3
A battery lights a bulb. Describe the energy changes involved in the process.

Q.

The major defects of the simple voltaic cell is about:

1. local action

2. polarisation

3. neutrailsation

4. both (A) and (B)

Q. Question 1
Name a device that helps to maintain a potential difference across a conductor.

Q.

Leclanche cell belongs to the category of ____________cell.

Q. Differentiate primary cell and secondary cell in terms of
1. Internal resistance
2. Energy changes

Q.

How does a primary cell differ from a secondary cell?

Q.

What is an electric cell ?

Q.

Distinguish between the primary and secondary cell.

Q.

The types of cells in which it is possible to restore chemicals are called______.

Q.

Name the smallest cell.

Q.

Differentiate between primary cell and secondary cell.

Q.

State three differences between the primary and secondary cells.

Q. if a dielectric slab is introduced between a parallel plate capacitor with the battery connected, then how do the following quantities change?
1 charge
2 potential
3 capacitance
4 energy

Q.

What transformation of energy takes place when current is drawn from a cell ?

Q.

Consider the following statements -

1. Rubbing of hair through the comb

2. The circuit connected to a cell/generator

3. Static Electricity

4. Current Electricity

Which of the following is correctly matched?

1. 1-3, 2-4

2. 1-4, 2-3

3. 1-2, 3-4

4. No relation between them

Q. Statement 1: EMF of a battery can never be equal to potential difference across its terminals.
Statement 2: EMF and Potential Difference of a battery are completely independent.

1. Statement 1 – true, Statement 2 – true
2. Statement 1 – true, Statement 2 - false
3. Statement 1 – false, Statement 2 - true
4. Statement 1 – false, Statement 2 - false

Q.

What is a primary cell ? Name two such cells.

Q.

Differentiate between a primary cell and a secondary cell.

Q.

Differentiate between a primary cell and a secondary cell.

Q. In which of the following cases, an electric current flows through a conductor?

1. When zero potential difference is applied across it
2. When a battery is connected to it in a closed circuit
3. When a battery is connected to it in an open circuit
4. When a potential difference is applied accross it in a closed circuit

Q.

Pranati has set up a circuit as shown below.

Which of the following could she put in the space marked 'X' to make the bulb glow brighter?

1. Bulb

2. Cell

3. Switch

4. Wire