(a) Explain the statement "Potential difference between two points is 1 volt". (b) What do the symbols given…
(a) Explain the statement "Potential difference between two points is 1 volt".
(b) What do the symbols given below represent in an electric circuit ? Write one function of each.
(i)
(ii)
Solution
(a) It means 1 joule of work is done to move a charge of 1 coulomb from one point of the conductor to the other.
(b) (i) Ammeter.
Ammeter is used to measure electric current
(ii) Rheostat or variable resistance
Rheostat is used in a circuit to vary the resistance of the circuit
