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A square ABCD, L is the midpoint of side AB, M is the midpoint of side BC, N is the midpoint of side CD and O is the midpoint of side AD, then find the ratio of area of shaded region PQRS to the area of square ABCD.
Match the following: (i) Half wave rectifier p) Transformer not required (ii) Full wave rectifier  q) Centre tap transformer required (iii) Full wave bridge rectifier r) Ordinary transformer required
In a three-phase half wave diode rectifier using 3 diodes, each diode conducts for
Consider the following statements. It converts the positive half cycle of the sinusoidal wave of the input to the pulsating DC output signal. It converts the positive half as well as negative half cycle of the sinusoidal wave of the input to pulsating DC output signal. Which of the following statements is CORRECT about half-wave rectifier?
In a half wave rectifier, the input sine wave is 200sin200 ᴨt Volts. If load resistance is of 1k then the average DC power output of half wave rectifier is __________
For a half-wave rectifier having diode voltage VD and supply input of VI, the diode conducts for π – 2Θ, where Θ is given by
In a center tapped full wave rectifier, the input sine wave is 200sin50 ᴨt. If load resistance is of 1k then average DC power output of half wave rectifier is __________
A lady wants to buy the following items in the given price range- 1. Tomato between Rs. 40 and Rs. 45 per kg. 2. Grapes in the price range of Rs. 80 and Rs. 90 per kg. 3. Milk packets at Rs. 23 per liter. In which shop from the following will she definitely get all her items/ A. Shop S sells tomato at Rs. 22.5 per half kg, Grapes at Rs. 82 per kg and milk at Rs. 24 per liter. B. Shop H sells grapes at Rs. 21 per quarter kg, milk at 12.5 per half litre and tomato at Rs. 22 per half kg. C. Shop O sells milk at Rs. 11.5 per half litre, tomato at 21 per half kg and grapes at Rs. 43 per half kg. D. Shop P sells tomato at Rs. 23.5 per half kg, grapes at Rs. 85 per kg and milk at Rs. 23 per litre.
The basic reason why a full-wave rectifier has twice the efficiency of a half-wave rectifier is, that:
The voltage transfer characteristic as shown in the figure will relate to a 1. Ideal voltage regulator 2. Ideal half-wave rectifier 3. Ideal full-wave rectifier Which of the above is/are correct?