Circuit Diagram

The SI unit of electric potential difference is volt ($\mathrm{V}$) named after:

What is electric potential difference? What is the SI unit of potential difference ? Name the device used to measure the potential difference. 

Pressure difference for water flowing through a pipe is analogous to which one of the following quantity in electricity?

Explain the analogy of the electric current with water flow.

The SI unit of electrical potential difference is :

An electric _____ is used as a source of energy in the torch to glow a bulb.

What are the conditions for a torch to work properly?

One $\mathrm{Volt}$ is equal to

One Volt is described as one _____ of energy consumption per one coulomb electric charge.

_________ and ________ can be considered to be an electrical analogy for water flow and water pressure in a pipe respectively. 

How can we model the behaviour of electricity in a wire with water and a hose for students?

What happens when the cells are connected in series connection?

Why keeping cells in a particular order in a battery is necessary?

Mention the favourable conditions a torch needs to work?

List all the parts of a torch.

What are the condition necessary for a torch to glow?

Explain the analogy of electric current with water flow.

Explain about the parts of an electric torch briefly. 

The two cells in the torch are connected such that the positive terminal of the first cell is connected to one of the terminal of the bulb.

Why are the cells connected in series in a torch?