LMS

If peak Voltage across a full wave rectifier is 20V then V_rms is 

In full wave rectifier with input frequency 50 Hz the ripple in the output is mainly of frequency 

A full wave rectifier passes ___________into positive cycles 

Consider a peak rectifier fed by a 60-Hz sinusoid having a peak value Vp = 100 V. Let the load resistance R = 10 kΩ. Calculate the fraction of the cycle during which the diode is conducting 

A half wave rectifier is operating from 50 Hz mains. Fundamental frequency of ripple will be

In a half wave rectification, the diode conducts during 

Ripple factor of half wave rectifier is 

A circuit that adds positive or negative dc voltage to an input sine wave is called

If the line frequency is 50 Hz, the output frequency of bridge rectifier is

A half wave rectifier is equivalent to 

In a bridge type full wave rectifier, if Vm is the peak voltage across the secondary of the transformer, the maximum voltage coming across each reverse biased diode is

The number of diodes in bridge rectifier is 

In a Centre tap full wave rectifier if Vm is the peak voltage across the secondary of transformer, the maximum voltage across reverse bias is 

Transformer is used in rectification to ______the supply voltage 

The principle behind the working of cathode ray oscilloscope is 

Which of the following rectifier uses wheatstone bridge to rectify signal?

Half wave rectifier passes only 

A full wave rectifier uses load resistor of 1500Ω. Assume the diodes have Rf=10Ω, Rr=∞. The voltage applied to diode is 30V with a frequency of 50Hz. Calculate the AC power input 

The process of converting alternating current to direct current is called

If a half wave rectifier is used to convert 50Hz AC into DC, then the number of pulses present in rectifier voltage is: 

Transistors can be used as: 

For a half-wave rectifier having diode voltage VD and supply input of V, the diode conducts for π – 2Θ, where Θ is given by: 

Maximum efficiency of half wave rectifier is 

Half wave voltage multiplier can provide any degree of voltage multiplication by cascading diodes and capacitors. 

Full wave rectifier uses 

The maximum efficiency of full wave rectifier is 

Ripple factor of full wave rectifier is 

To get a peak load voltage of 40V out of a bridge rectifier, what should be the approximate rms value of secondary voltage? 

Half wave rectifier uses 

The output voltage of a rectifier is 

Average dc Voltage across the load in terms of Vmax is 

Most widely used rectifier is 

In half wave rectification, the output DC voltage is obtained across the load for

Which of the following is not a type of rectifier? 

The bridge rectifier is preferred to an ordinary two diode full wave rectifier because

Peak voltage in the output of full wave rectifier is 10V so dc component of output voltage is

In a rectifier, larger the value of shunt capacitor filter 

Which of the following is a type of rectifier: