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1.
The combination of gates shown below produces
2.
The given truth table is of
 |
X |
| 0 | 1 |
| 1 | 0 |
3.
In the circuit shown in figure the maximum output voltage 
is
is
4.
Electronic configuration of germanium is 2, 8, 18 and 4. To make it extrinsic semiconductor small quantity of antimony is added
5.
In a 
junction diode
junction diode
6.
In depletion layer of unbiased p-n junction
7.
The value of current in the following diagram will be
8.
In a NPN transistor, 108 electrons enter the emitter in 
. If 1% electrons are lost in the base, the fraction of current that enters the collector and current amplification factor are respectively
. If 1% electrons are lost in the base, the fraction of current that enters the collector and current amplification factor are respectively
9.
A metallic surface with work function of 
, on heating to a temperature of 800 
gives an emission current of 
. If another metallic surface having the same surface area, same emission constant but work function 
is heated to a temperature of 
, then the emission current will be
, on heating to a temperature of 800 gives an emission current of . If another metallic surface having the same surface area, same emission constant but work function is heated to a temperature of , then the emission current will be
10.
The phenomenon of thermionic emission was discovered by