A. The light emitting diodes
B. Photo diodes
C. Photo voltaic cell
D. Solar cells.
A. Converter
B. A rectifier
C. Inverter
D. Oscillator
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.
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.
A. is located on the emitter
B. is located on the base
C. is locate on the collector
D. points form north to south
A. antimony
B. phosphorus
C. aluminium
D. arsenic
A. minority carriers
B. majority carriers
C. holes
D. electron
A. 105 ohm metre
B. 106 ohm metre
C. 107 ohm metre
D. 108 ohm metre
A. Conduction band
B. Fermi band
C. Valence band
D. Forbidden band
A. during the manufacturing process
B. under forward bias
C. under reverse bias
D. when temperature varies