Electric Circuits A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The phase angle of current in respect of supply voltage will be 28.8o. 40.4o. 20.2o. 32.1o. 28.8o. 40.4o. 20.2o. 32.1o. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of a strip of copper of rectangular cross section is 2 Ω. A metal of resistivity twice that of a copper is coated on its upper surface to a thickness equal to that of copper strip. The resistance of composite strip will be 6 Ω. 3 / 2 Ω. 4 / 3 Ω. 3 / 4 Ω. 6 Ω. 3 / 2 Ω. 4 / 3 Ω. 3 / 4 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits According to duality principle a series inductor (L) can be represented as Series C. Series L. Parallel C. Parallel L. Series C. Series L. Parallel C. Parallel L. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two resistances R1 and R2 are connected in series across the voltage source where R1 > R2. The largest drop will be across R2. either R1 or R2. R1. none of them. R2. either R1 or R2. R1. none of them. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In direct arc furnace which of following is of high value? Voltage. Power factor. All of above. Current. Voltage. Power factor. All of above. Current. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When AC flows through a pure capacitance then the current leads the emf by - 90o. lags the emf by 90o. leads the emf by 90o. is in phase with emf. leads the emf by - 90o. lags the emf by 90o. leads the emf by 90o. is in phase with emf. ANSWER DOWNLOAD EXAMIANS APP
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