12th Class FSc Part 2 Physics Chapter Wise Online MCQ Test With Answer PDF

Physics FSC Part 2 Online MCQ's Test

Sr. #	Questions	Answers Choice
1	Conversation of only one half of A.C. into D.C. is called.	Half wave amplification Wave amplification Half wave electrification Half wave rectification
2	Rectification is the process of converting.	D.C. into A.C. A.C. in to D.C. Low signal to high High signal to low
3	A.C. can be converted into D.C. by	An oscillator Detector An amplifier Rectifier
4	Pulsating output of full wave rectifier can be made smooth by using circuit called.	Filter Amplifier Resistor Transistor
5	The output voltage of a rectifier is.	Smooth Pulsating Alternating Per featly direct
6	For rectification we use.	Transformer Diode Choke Generator
7	During negative half cycle of A.c then p-n junction offers.	High resistance Low resistance No resistance All of these
8	In full wave rectification number of diodes required are equal to.	2 3 4 5
9	Minimum number of semi conductor diodes required for full wave rectification are.	1 2 3 4
10	_______ is the building block of every electronic circuit.	Semi conductor diode Resistor Capacitor Amplifier
11	A diode characteristics curve is a plot between	Current and resistance Voltage and time Voltage and current Current and time
12	Depletion region carries.	-ve charge +ve charge Ions No charge
13	The ratio of potential barriers of Ge to Si at room temperatrue is.	7:3 1:3 2:5 3:7
14	A PN junction can not be sued a.	Rectifier Amplifier Detector LED
15	A diode characteristic curve is a plot between	Current and time Voltage and time Voltage and current Forward voltage and reverse voltage
16	Which factor does not affect the conductivity of PN-Junction diode.	Doping Temperature Voltage Pressure
17	When a PN-Junction is reverse biased the depletion region is.	Widened Narrowed Normal None of these

Download This Set