Electric Circuits If the length of a wire of resistance R is uniformly stretched to n times its original value, what will be its new resistance nR . n2 / R. R / n2. n2R. nR . n2 / R. R / n2. n2R. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The equation for 25 cycles current sine wave having rms value of 30 amps, will be 42.4sin50πt. 30sin50πt. 30sin25πt. 42.4sin25πt. 42.4sin50πt. 30sin50πt. 30sin25πt. 42.4sin25πt. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 3 – φ delta connected symmetrical load consumes P Watts of power from a balanced supply. If the same load is connected in star to the same supply then what is the power consumption? √3P. P. P/3. 3P. √3P. P. P/3. 3P. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Instantaneous power in inductor is proportional to the product of the instantaneous current and rate of change of current. square of the rate of change of current. temperature of the inductor. square of instantaneous current. product of the instantaneous current and rate of change of current. square of the rate of change of current. temperature of the inductor. square of instantaneous current. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The common voltage across parallel branches with different voltage sources can be determined by the relation V = (V1 / R1 + V2 / R2 + V3 / R3) / (1 / R1 + 1 / R2 +1 / R3 .....) The statement is associated with which theorem? Superposition theorem. Thevenin’s theorem. Norton’s theorem. Millman’s theorem. Superposition theorem. Thevenin’s theorem. Norton’s theorem. Millman’s theorem. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Consider the following circuit. What is the value of current I in the 5 Ω resistor in the circuit given in the figure? 2 A. 0 A. 4 A. 3 A. 2 A. 0 A. 4 A. 3 A. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS