(a) With proper diagram, explain the movement of charge carries through
different parts of the transistor and hence show that
(b) Identify the logic operation carried out by the circuit shown below and
write its truth table.
(a) Circuit diagram (1)
NCERT page no. 492 (explanation:2)
(b) NCERT page no. 511Q.No.14.17 Logic operation (1) Truth table (1)