Multivibrators » Exercise - 16. If the input to a differentiating circuit is a saw-tooth wave, then output will be .............. wave. (a) square (b) triangular (c) sine (d) rectangular
Multivibrators » Exercise - 18. If a square wave is fed to a differentiating circuit, the output will be .............. (a) sine wave (b) sharp narrow pulses (c) rectangular wave (d) triangular wave
Regulated Power Supplies » Exercise - 3 101. In a simple series regulator circuit, which of the following components is the controlling element? (a) Load resistor (b) Zener diode (c) Transistor Q1 (d) None of the above 102. What regulated output voltage is provided for the following circuit elements: R1 = 15 kΩ, R2 = 35 kΩ, and VZ = 11.2 V? (a) 16.50 V (b) 17 V (c) 17.35 V (d) 18.25 V 103. Nota 104. Which component(s) set(s) the voltage across the load in a basic transistor shunt regulator? (a) Zener diode (b) Transistor base-emitter voltage (c) Both the Zener diode and the transistor base-emitter voltage (d) None of the above 105. In a full-wave rectifier, if no load were connected across the capacitor, the output voltage would ideally be a(n) ________. (a) ac voltage (b) constant dc voltage (c) pulsating dc voltage (d) ramp voltage 106. The output of a loaded power supply is ________ that of the unloaded. (a) the same as (b) larger than (c) smaller than (d) None of the above 107. The frequency of the output voltage of a full-wave rectifier is ________ the frequency of its input voltage. (a) the same as (b)…
Multivibrators » Exercise - 113. The multivibrator which generates square wave of its own is the .............. multivibrator. (a) monostable (b) bistable (c) astable (d) none of the above
Multivibrators » Exercise - 15. If d.c. supply of 10 V is fed to a differentiating circuit, then output will be .............. (a) 20 V (b) 10 V (c) 0 V (d) none of the above