A. Logic gates
B. Boolean algebra
C. Amplifier gain
D. Logic functions
Physics
In forward bias the width of potential barrier………….?
A. Increases
B. Decreases
C. Remains same
D. No effect
In a half-wave rectifier the r.m.s. value of the A.C. component of the wave is…………….?
A. Equal to D.C. value
B. More than D.C. value
C. Less than D.C. value
D. Zero
The working of transistor as amplifier is similar to…………….?
A. Step up transformer
B. Step down transformer
C. Three diodes in common
D. Triode vacuum tube
An OP-AMP comparator is a circuit that compares the signal voltage on one of its inputs with a …………..?
A. Non-inverting voltage at output
B. Reference voltage on the other
C. Virtual input
D. Output
Non-inverting amplifier circuits have…………?
A. A very high input impedance
B. A very low input impedance
C. A low output impedance
D. None of the above
The operation of a transistor requires…………..?
A. That the emitter be heated
B. That the base be heated
C. That the collector be heated
D. None of the above
The operational amplifier is…………..?
A. A high gain amplifier
B. A high-power amplifier
C. A high resistance amplifier
D. A low resistance amplifier