Electric Circuits A wire of resistance R has it length and cross - section both doubled. Its resistance will become 0.5R. R. 2R. 4R. 0.5R. R. 2R. 4R. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacitance of a parallel plate capacitor can be varied by All of these changing the distance between the plates only. changing the dielectric medium only. changing the overlapping area of the plates only. All of these changing the distance between the plates only. changing the dielectric medium only. changing the overlapping area of the plates only. 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? P. √3P. 3P. P/3. P. √3P. 3P. P/3. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If conductance increases as temperature increases it is called as .......... both 1 and 2. None of these positive co-efficient. negative co-efficient. both 1 and 2. None of these positive co-efficient. negative co-efficient. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Time constant is the time taken for response to rise -------of maximum value? 68.3% 63.2% 90% 100% 68.3% 63.2% 90% 100% ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a resistor and an inductor are connected in series across a voltage source. Which two parameters in that circuit decrease if frequency of voltage source increases? VR and I. VL and VR. Z and I. VL and Z. VR and I. VL and VR. Z and I. VL and Z. ANSWER DOWNLOAD EXAMIANS APP