Analog Electronics In a RC phase shift oscillator, the minimum number of R-C networks to be connected in cascade will be one. four. three. two. one. four. three. two. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The expression for frequency of oscillations of a RC phase shift oscillator is f = 1 / (2π RC√6) f = 1 / (2π√R(C1 + C2)) f = 1 / (2π√RC) None of these f = 1 / (2π RC√6) f = 1 / (2π√R(C1 + C2)) f = 1 / (2π√RC) None of these ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics In an E only MOSFET, drain electric current starts only when VGS (th) is zero. greater than VGS (th). negative. positive. zero. greater than VGS (th). negative. positive. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics In a nonlinear op-amp circuit, the output shape is the same as the input shape. feedback loop is never opened. opamp may saturate. opamp never saturates. output shape is the same as the input shape. feedback loop is never opened. opamp may saturate. opamp never saturates. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics If the emitter resistance decreases, the current gain increases. collector current decreases. Q point stays where it is. Q point moves up. current gain increases. collector current decreases. Q point stays where it is. Q point moves up. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics What is the charge of mobile charge carriers of holes ? Negatively charged Positively charged None of these No charged Negatively charged Positively charged None of these No charged ANSWER DOWNLOAD EXAMIANS APP