With what device is electric current measured?

What is an electric current? What is responsible for it in solids and in liquids?

Assertion : A photocell is a technological application of the photoelectric effect. Reason : Photocell is a device whose electric properties are affected by electricity.

Define electric fuse. How is it acted as a safety device in an electric circuit ?

Define electric current. What is its SI unit?

The electric current drawn from cell is

(a) State Fleming's left Hand Rule. (b)List three characteristic features of the electric current used in our homes. (c) What is a fuse ? why is it called a safety device ?

In what unit does the domestic electric meter measures the electrical energy consumed? State the value of unit in SI unit of energy.

What is a cell? How does it produce electric current?

A potentiometer is an accurate and versatile device to make electrical measurements of E.M.F. because the method involves

A potentiometer is an accurate and versatile device to make electrical measurements of E.M.F. because the method involves (a) cells (b) potential gradients (c) a condition of no current flow through the galvanometer (d) a combination of cells, galvanometer and resistance