Electronics (ECE) - MCQ Practice Questions

Which semiconductor memory loses its data when power is switched off?

What is the truth table output for a D flip-flop when CLK = 1 and D = 1?

What is the output of a full adder when A=1, B=1, and Cin=1?

In a 8×4 RAM configuration, what do 8 and 4 respectively represent?

In a JK flip-flop, what happens when both J and K inputs are 1?

A multiplexer with 16 inputs requires how many select lines?

In a 3-bit binary counter, how many clock pulses are needed to complete one full cycle?

Which of the following is a non-volatile memory type commonly used in embedded systems?

In a common emitter amplifier, the voltage gain is maximum when the load resistance is

The input impedance of a common base amplifier is

For maximum power transfer in an amplifier circuit, the load impedance should be

Which configuration provides the highest voltage gain among the three BJT amplifier configurations?

An ideal operational amplifier has the following characteristics EXCEPT

In a non-inverting amplifier configuration with feedback resistors RF and Ri, the voltage gain is

An inverting amplifier using op-amp has Rf = 100 kΩ and Rin = 10 kΩ. What is the voltage gain magnitude?

In a Hartley oscillator, the frequency of oscillation is determined by which circuit element combination?

Which type of feedback is applied in a non-inverting amplifier configuration?

For an ideal op-amp, the input offset voltage is:

A transistor amplifier has input signal of 10 mV and output signal of 5 V. What is the voltage gain in dB?

A power amplifier delivers 100 W to a 8 Ω load. What is the RMS output voltage? (Assuming pure resistive load)