12th class Physics chapter 18 online mcq test with answers for ICS part 2 Physics Chapter 18 (Electronics)

Top Scorers Of Chapter 0 "Physics ICS Part 2 Chapter 18 Online MCQ's Test" MCQ`s Test

Sr.#	Question	Answer
1	Transistor was discovered by	A. Young B. Curie C. John Bardeen D. Shale's
2	A photo diode can turn its current ON and OFF in	A. Micro seconds B. Mega seconds C. Nano seconds D. Mili seconds
3	During negative half cycle of A.c then p-n junction offers.	A. High resistance B. Low resistance C. No resistance D. All of these
4	Improper bisting of a transistor circiut produces:	A. Heavy loading of emitter current B. Distortion in the output output signal C. Excessive heat at collector terminal D. Faculty location of load line
5	The semi conductor diode has the property of	A. Two way conduction B. Zero conduction C. One way conduction D. Amplification
6	The gate, which changes the logic level to its opposite level is called	A. NOR gate B. AND gate C. OR gate D. NOT gate
7	A device which converts low voltage or current to high voltage or current is called.	A. Transformer B. AC generator C. Amplifier D. Rectifier
8	A two inputs NAND gat with inputs a and b has an output '0' if.	A. B is zero B. A is zero C. Both A and B are 1 D. Both A and B are '0'
9	Reverse current flows due to	A. Majority charge carriers B. Minority charge carriers C. Electrons D. Holes
10	Which component of the transistor has greater contrition of impurity.	A. Base B. Emitter C. Collector D. Emitter and collector