Electric Circuits A wire of resistance R has it length and cross - section both doubled. Its resistance will become 0.5R. 4R. 2R. R. 0.5R. 4R. 2R. R. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 60 Hz frequency voltage would cause a bulb to turn on and off 60 times per second. 80 times per second. 70 times per second. 120 times per second. 60 times per second. 80 times per second. 70 times per second. 120 times per second. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits At which of the following frequency voltage across capacitor has maximum value for series circuit ? Greater than resonance frequency Less than resonance frequency Equal to resonance frequency Zero frequency Greater than resonance frequency Less than resonance frequency Equal to resonance frequency Zero frequency ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If N is the number of nodes and b is the number of branches in a network, then rank of cut set matrix is b - N + 1. N. b - N - 1. N - 1. b - N + 1. N. b - N - 1. N - 1. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is meant by the rate of flow of an electric charge? Electric current. None of these Electric resistance. Electric potential. Electric current. None of these Electric resistance. Electric potential. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In which of the following oscillations are not present? Critical damping Both 2 and 3 Over damping Under damping Critical damping Both 2 and 3 Over damping Under damping ANSWER DOWNLOAD EXAMIANS APP