EASY
JEE Advanced
IMPORTANT
Earn 100
The working of a triode valve and transistor are similar. A transistor is a current operated device while a triode valve is a
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Important Questions on Solids and Semiconductor Devices
EASY
JEE Advanced
IMPORTANT
In a transistor with normal bias
MEDIUM
JEE Advanced
IMPORTANT
A transistor has three impurity regions. All three regions have different doping levels. In order of increasing doping level, the regions are
MEDIUM
JEE Advanced
IMPORTANT
What is value for transistor whose ?
EASY
JEE Advanced
IMPORTANT
When the emitter current of a transistor is changed by , its collector current changes by . In the common-base circuit, the current gain for the transistor is
MEDIUM
JEE Advanced
IMPORTANT
In a transistor is related to by the relation
MEDIUM
JEE Advanced
IMPORTANT
In the case of transistor the collector current is always less than the emitter current because
MEDIUM
JEE Advanced
IMPORTANT
In a transistor the current amplification factor is . The transistor is connected in a common base configuration. The change in collector current when base current changes by is
MEDIUM
JEE Advanced
IMPORTANT
Given below are symbols for some logic gates.
(1) 
(2) 
(3) 
(4) 
The gate and gates, respectively, are
