Analog Electronics In an OP-amp differentiator Output occurs when input is finite and constant The amplitude of output is proportional to input Polarity of input and output is the same The amplitude of output is proportional to rate of change of input Output occurs when input is finite and constant The amplitude of output is proportional to input Polarity of input and output is the same The amplitude of output is proportional to rate of change of input ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The voltage follower has a small open - loop voltage gain. large closed - loop output impedance. closed - loop bandwidth of zero. closed - loop voltage gain of unity. small open - loop voltage gain. large closed - loop output impedance. closed - loop bandwidth of zero. closed - loop voltage gain of unity. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The voltage divider biasing circuit is used in amplifiers quite often because it limits the AC signal going to base. makes the operating point almost independent of β. reduces the DC base electric current. reduces the cost of the circuit. limits the AC signal going to base. makes the operating point almost independent of β. reduces the DC base electric current. reduces the cost of the circuit. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The collector - emitter voltage is usually less than the collector supply voltage. none of these. equal to the collector supply voltage. more than the collector supply voltage. less than the collector supply voltage. none of these. equal to the collector supply voltage. more than the collector supply voltage. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Secondary breakdown occures in BJT but not is MOSFET. None of these. MOSFET but not in BJT. Both BJT and MOSFET. BJT but not is MOSFET. None of these. MOSFET but not in BJT. Both BJT and MOSFET. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The current gain of a BJT is gm r0 gm /rπ gm rπ gm / r0 gm r0 gm /rπ gm rπ gm / r0 ANSWER DOWNLOAD EXAMIANS APP