Electric Circuits A balanced star connected load with impedance of 30j - 300 Ω is supplied from a 3 - phase, 4-wire, 173 V system, the voltages to neutral being 100j -900, 100j - 300 and 100j -1500 V. The current in neutral wire is 8.85 A. 5 A. 50 A. zero. 8.85 A. 5 A. 50 A. zero. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits At which of the following frequency voltage across capacitor has maximum value for series circuit ? Less than resonance frequency Equal to resonance frequency Greater than resonance frequency Zero frequency Less than resonance frequency Equal to resonance frequency Greater than resonance frequency Zero frequency ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a lead acid cell, hydrogen is liberated at both plates. negative plate. none of the plates. positive plate. both plates. negative plate. none of the plates. positive plate. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Magnetic flux has the unit of Weber Ampere turn Tesla Newton Weber Ampere turn Tesla Newton ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In which of the circuits power factor can be zero? resistive. capacitive. inductive. both ‘a’ and ‘b’ resistive. capacitive. inductive. both ‘a’ and ‘b’ ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three resistors each R Ohm is connected to form a triangle. The equivalent resistance across any terminals is 2R/3. 3R/2. R. R/2. 2R/3. 3R/2. R. R/2. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS