Give the sign convention of electric current.

Explain the heating effect of electric current.

Answer the following questions: State the sign convention for reflection of light (image formation) by a spherical mirror. Draw the appropriate diagram.

Define the SI unit of electrical current.

The working of an electric generator is based on the heating effect of electric current.

Explain the sign conventions for reflection by spherical mirrors

Answer the following question in one sentence Give one example in which the magnetic effect of electric current is used.

Question based on paragraph : Amol was performing an experiment with a simple electric circuit . He connected an electric bulb , a plug key and a cell using connecting wires as shown in the circuit diagram given below : Answer the following questions based on the above electrical circuit : Give direction of electric current , when it flows through the circuit .

Answer the following Which law is proved in the experiment of electric current, potentail difference and electric resistance? Explain it.

Answer the following What will be the effecct of change in the length and thickness of the eletrical wire in the experiment of electric current , potentail difference and electric resistance?

What is the sign convention used for energy transfer between the system and its environment?