This document discusses symbols and units in physics. It notes that Q represents charge and the SI unit for charge is the coulomb. It provides examples of 10C and 5C and explains that 1 coulomb is equal to 6x10^18 electrons. It also mentions connecting a voltmeter and ammeter across an electrical circuit.

1. Subject :- Science
Name of Teacher :- Padhi Sir (PGT Physics)
Brains Education

2.  Symbol of Representation in Physics : Q
 SI Unit of Charge : Coulomb (C)
For Example 10C , 5C
1 C = 6x10 18 electrons

4. Voltmeter and Ammeter connection
across circuit.