Electronic Devices and Circuits In a half wave rectifier, the load current flows For full cycle Only for the negative half cycle of the input signal Only for the positive half cycle of the input signal For less than fourth cycle For full cycle Only for the negative half cycle of the input signal Only for the positive half cycle of the input signal For less than fourth cycle ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits How many free electrons does a p type semiconductor has? Only those produced by thermal energy Any of the above Only those produced by doping Those produced by doping as well as thermal energy Only those produced by thermal energy Any of the above Only those produced by doping Those produced by doping as well as thermal energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Light dependent resistors are Lightly doped semiconductor Highly doped semiconductor Intrinsic semiconductor Either A or B Lightly doped semiconductor Highly doped semiconductor Intrinsic semiconductor Either A or B ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits A transistor has a current gain of 0.99 in the CB mode. Its current gain in the CC mode is 99 1.01 0.99 100 99 1.01 0.99 100 ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In a bipolar transistor, the emitter base junction has Zero or reverse bias Forward bias Zero bias Reverse bias Zero or reverse bias Forward bias Zero bias Reverse bias ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The sensitivity of human eyes is maximum at Violet portion of spectrum White portion of spectrum Green portion of spectrum Red portion of spectrum Violet portion of spectrum White portion of spectrum Green portion of spectrum Red portion of spectrum ANSWER DOWNLOAD EXAMIANS APP
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