Electric Circuits A 60 Hz frequency voltage would cause a bulb to turn on and off 60 times per second. 80 times per second. 120 times per second. 70 times per second. 60 times per second. 80 times per second. 120 times per second. 70 times per second. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The frequency of EMF generated by a generator depends upon its speed. number of poles. nature of supply. both speed and number of poles. speed. number of poles. nature of supply. both speed and number of poles. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a capacitor, the electrical energy is stored in magnetic field. both ‘electric field’ and magnetic field’. none of above. electric field. magnetic field. both ‘electric field’ and magnetic field’. none of above. electric field. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Types of rotating machines both B and C. transformer. IM. synchronous machine. both B and C. transformer. IM. synchronous machine. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A balanced delta connected load has an impedance of 9∠30o Ω per phase. What is the impedance per phase of its equivalent star? None of these 27∠30o Ω 3∠30o Ω. 30∠30o Ω. None of these 27∠30o Ω 3∠30o Ω. 30∠30o Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Common impurity in battery electrolyte is iron. lead sulfate. sodium chloride. dust. iron. lead sulfate. sodium chloride. dust. ANSWER DOWNLOAD EXAMIANS APP
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