Electric Circuits Whenever current is supplied by a source its terminal voltage increases exponentially. decreases. increases. remains constant. increases exponentially. decreases. increases. remains constant. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A wire of resistance R has it length and cross - section both doubled. Its resistance will become 0.5R. 2R. R. 4R. 0.5R. 2R. R. 4R. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of the voltage U(t)= 3 + 4cos(3t) 7 V. 4.123 V. {3 + 2(1.141)} V. 5 V. 7 V. 4.123 V. {3 + 2(1.141)} V. 5 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three resistances of two ohms each are connected in star. In the equivalent delta representation each resistance will have a value of _______________ Ω. 3.4. 0.6. 5.2. 6. 3.4. 0.6. 5.2. 6. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An ideal constant voltage source has _______________ internal impedance whereas a constant current source has ____________ internal impedance. infinite, infinite zero, zero infinite, zero zero, infinite infinite, infinite zero, zero infinite, zero zero, infinite ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In the circuit given, I = 1 A for Is = 0. What is the value of I for Is = 2 A ? 1 A. 4 A. 2 A. 3 A. 1 A. 4 A. 2 A. 3 A. ANSWER DOWNLOAD EXAMIANS APP