The simplest type of rectification known as half wave rectification is obtained by____________________?
A. using a transistor B. suppressing the harmonics in A.C voltage C. suppressing half wave of A.C supply by using diode D. using a Coolidge tube
Physics MCQs with Answers
Depletion region of a junction is formed_____________?
A. during the manufacturing process B. under forward bias C. under reverse bias D. when temperature varies
Which one of following band is completely filled in case of conductors ?
A. Conduction band B. Fermi band C. Valence band D. Forbidden band
The value of resistivity for insulator is of the order of____________?
A. 105 ohm metre B. 106 ohm metre C. 107 ohm metre D. 108 ohm metre
Forward current through a semi conductor diode circuit is due to____________?
A. minority carriers B. majority carriers C. holes D. electron
Which one of the following is not a donor impurity ?
A. antimony B. phosphorus C. aluminium D. arsenic
In the transistor schematic symbol, the arrow______________?
A. is located on the emitter B. is located on the base C. is locate on the collector D. points form north to south
In full wave rectification the output D.C. voltage across the load is obtained for_____________?
A. The positive half cycle of input A.C. B. The negative half cycle of input A.C. C. The complete cycle of input A.C. D. All of the above.
In half-wave rectification the output D.C. voltages is obtained across the load for_______________?
A. The negative half cycle of A.C. B. The positive half cycle of A.C. C. The positive and negative half cycles D. Either positive or negative half of A.C.
The device used for conversion of D.C. to A.C. is called______________?
A. Converter B. A rectifier C. Inverter D. Oscillator