Author: mcqelectrical4u

591. An inductance of one H carrying a current of two amperes will store the energy of A. 2 watts B. 2 joules C. 4 watts D. 4 joules Ans.: B 592. The square waveform of current has following relation Read More …

Q.581 Which of the following diode has the least reserve recovery time? A. General purpose diode B. Fast recovery diode C. Both A and B D. Silicon carbide diode Ans.: D Q.582 Three phase 6-pulse rectifier is also known as Read More …

Q.566 Resistance of bulb when connected to AC supply is ____ that of DC supply. A. Less B. Greater C. Equal D. Con not decide from the data Ans.: B Q. 567 The frequency of power in a purely resistive Read More …

Q.541 Good power transformer has voltage regulation A. 100% B. below 5% C. Between 90% to 100% D. Between 50% and 100% Ans.: B Q.542 Power factor us the cosine of phase difference between voltage and current is the statement Read More …

Q.511 How many pins does 8085 microprocessor have? A. 30 B. 39 C. 40 D. 41 Ans.: C Q.512 With logic family provided minimum power dissipation? A. TTL B. CMOS C. ECL D. JFET Ans.: B Q.513 When a step Read More …