91. IC=α/(1-α)IB+………./(1-α)
(a) ICBO
(b) ICEO
(c) IC
(d) IE
92. BC 147 transistor indicates that it is made of ……..
(a) germanium
(b) silicon
(c) carbon
(d) none of the above
93. ICEO = (……..) ICBO
(a) β
(b) 1 + α
(c) 1 + β
(d) none of the above
94. A transistor is connected in CB mode. If it is now connected in CE mode with same bias voltages, the values of IE, IB and IC will ………….
(a) remain the same
(b) increase
(c) decrease
(d) none of the above
95. If the value of α is 0.9, then value of β is …………
(a) 9
(b) 0.9
(c) 900
(d) 90
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