Electric Circuits The frequency of EMF generated by a generator depends upon its nature of supply. number of poles. speed. both speed and number of poles. nature of supply. number of poles. speed. both speed and number of poles. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Electric field intensity ( E ) at any point in an electric field is equal to ( potential gradient )1/3. potential gradient. ( potential gradient )2. ( potential gradient )1/2. ( potential gradient )1/3. potential gradient. ( potential gradient )2. ( potential gradient )1/2. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RLC parallel circuit current through resistor, inductor and capacitor are 10A, 5A and 5A respectively. What is the total current in the circuit? 5A 0A 20A 10A 5A 0A 20A 10A ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the sheet of a backelite is inserted between the plates of an air capacitor, the capacitance will becomes zero. decrease. remains unchanged. increase. becomes zero. decrease. remains unchanged. increase. ANSWER DOWNLOAD EXAMIANS APP
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 50 A. 5 A. 8.85 A. zero. 50 A. 5 A. 8.85 A. zero. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In which of the circuits power factor can be zero? capacitive. inductive. resistive. both ‘a’ and ‘b’ capacitive. inductive. resistive. both ‘a’ and ‘b’ ANSWER DOWNLOAD EXAMIANS APP
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