MDCAT Physics Chapter 10 online mcq test with answers for chapter 10 (Electronics)

MDCAT Physics Chapter 10 Electronics Online Test

Sr. #	Questions	Answers Choice
1	In a full wave rectifier with input frequency 50Hz. The frequency of pulsating D)C) received as an output across the load is	50 Hz 100 Hz 500 Hz zero
2	The power output of a full wave rectifier is:	Equal to H.W.R Twice of H.W.R Half of H.W.R Four times of H.W.R
3	In a full wave rectifier:	DC current is twice that of half wave rectifier DC pulses are twice per cycle that of half wave rectifier DC voltage is twice that of half wave rectifier All are correct
4	A circuit that converts Pulsating DC into smooth DC contain :	Filter Capacitor Inductor LC circuit
5	The efficiency of full wave rectifier is:	25.6% 81.2% 81.6% 71.2%
6	The efficiency of half wave rectifier is:	25.6% 1.2% 40.6% 66.6%
7	For a normal AC cycle, during T/2 to T the diode act as:	Open switch full wave rectifier Close switch All are correct
8	A device which convert DC into AC is calleD)	Invertor Generator Rectifier Motor
9	A certain noninverting amplifier has R1 of 1 kΩ and R2 of 100 kΩ. The closed-loop voltage gain is ………	100,000 100 1000 101
10	The resistance of operational amplifier between inverting and non-inverting terminal is of the order of:	Few Ohms Mega Ohms Few Kilo Ohms Micro Ohms
11	For the same value of resistors the output of non-inverting amplifier compared to the output of inverting amplifier is, (ignoring phase difference)	Greater Equal Smaller Undefined
12	A non-inverting amplifier has infinite input resistance then the voltage gain of noninverting amplifier will be:	Zero Infinite One 100
13	A non-conducting semiconductor diode is:	Forward biased Poorly biased Reverse biased None of them
14	In full wave rectification, the output DC voltage across the load is obtained for.	The positive half cycle of input AC only The negative half cycle of input AC The completes cycle of input AC only All of the above

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