Draw the following using symbols : (iv) Parallel circuit

Draw the following using symbols : (iii) Series circuit

Draw the following using symbols : (ii) Closed circuit

Draw the following using symbols : (i) Open circuit

Explain series and parallel circuit.

What does the following symbols represent?

Four light bulbs P, Q, R, S are connected in a circuit of unknown arrangement. When each bulb is removed one at a time and replaced, the following behavior is observed. Draw the circuit diagram for these bulbs.

Name the elements for following symbols. Na

Name the elements for following symbols. Ba

Name the elements for following symbols. Al

Identify the following symbols used in pedigree charts and give its explanatin: