Electric Circuits Condition for a balanced 3 - phase load is that, each phase has the same value of __________________. impedance. all of these. resistance. power factor. impedance. all of these. resistance. power factor. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A conductor of length l meters moves at right angles to a uniform magnetic field of flux density B = 1.5 T. if the velocity of revolution of the conductor is 50 ms-1 then induced e.m.f. in the conductor is 75 V. 125 V. 100 V. 0 V. 75 V. 125 V. 100 V. 0 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The active and reactive power in an AC circuit are 10W and 20VAR respectively. What is the power factor? 0.866. 0.5. 1. 0.577. 0.866. 0.5. 1. 0.577. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If C be the capacitance, V be the potential difference and I be the current, then I / CV will have the unit of reactive power. power. time. frequency. reactive power. power. time. frequency. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RLC parallel circuit to get Q>1 which of the following is required? XL All of these XL>R XL=R XL All of these XL>R XL=R ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Common impurity in battery electrolyte is lead sulfate. dust. sodium chloride. iron. lead sulfate. dust. sodium chloride. iron. ANSWER DOWNLOAD EXAMIANS APP