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 . R / n2. n2R. n2 / R. nR . R / n2. n2R. n2 / R. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A delta connection contains three equal impedance of 60 Ω. The impedance of the equivalent star connection for each star load will be 20 Ω. 30 Ω. 15 Ω. 40 Ω. 20 Ω. 30 Ω. 15 Ω. 40 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Lowest current density is generally recommended for plating of chromium. bronze. silver. cadmium. chromium. bronze. silver. cadmium. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Phase voltages of a star connected alternator are ER = 240∠0o V, EY = 240∠-120o V and EB = 240∠ + 120o V. What is the phase sequence of the system? RYB. YBR. BYR. RBY. RYB. YBR. BYR. RBY. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An electrical circuit with 10 branches and 7 nodes will have 4 loop equations. 3 loop equations. 7 loop equations. 10 loop equations. 4 loop equations. 3 loop equations. 7 loop equations. 10 loop equations. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In which braking back emf exceeds supply voltage? Dynamic. None of these. Plugging. Regenerative. Dynamic. None of these. Plugging. Regenerative. ANSWER DOWNLOAD EXAMIANS APP
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