(A) Very small resistance
(B) Zero resistance
(C) High resistance
(D) Infinite resistance
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Which is not the basic operation of Boolean algebra?
(A) OR operation
(B) NOT operation
(C) YES operation
(D) AND operation
LDR becomes essential when op-amp is used as?
(A) Comparator
(B) Inverter
(C) Calculator
(D) Night switch
AC plate resistance of a diode value at saturation is?
(A) Infinite
(B) Zero
(C) Depends upon plate potential
(D) None of the above
For rectifying action we use?
(A) Diode
(B) Choke
(C) Transformer
(D) Capacitor
The temperature co efficient of resistance of a semiconductor is?
(A) Positive
(B) Negative
(C) Constant
(D) Infinite
In an amplifier maximum voltage gain is obtained when load resistance is equal to?
(A) Zero
(B) Infinity
(C) Unity
(D) Plate resistance
On making grid potential excessively negative, plate resistance?
(A) Become infinite
(B) Become zero
(C) Remains the same
(D) None of the above