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 n2 / R. nR . n2R. R / n2. n2 / R. nR . n2R. R / n2. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two sinusoidal quantities are said to be in phase quadrature, when their phase difference is 90o. 45o. 0o. 30o. 90o. 45o. 0o. 30o. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is called the instantaneous value of an alternating current? The value of peak current at any instant. The value of peak quantity at any instant. The value of alternating frequency at any instant. The value of alternating quantity at any instant. The value of peak current at any instant. The value of peak quantity at any instant. The value of alternating frequency at any instant. The value of alternating quantity at any instant. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Consider the following circuit : Switch is closed at t = 0 Find i(0 +) (V*L) / (R*C) V/R. 0. V / {R + (sL + 1 / Cs)}. (V*L) / (R*C) V/R. 0. V / {R + (sL + 1 / Cs)}. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a series resonant circuit impedance is none of these. maximum. zero. minimum. none of these. maximum. zero. minimum. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistivity of semi-conductors at room temperatures is 1.6 × 106 to 100 × 106 ohm - cm. 1000 to 1500 ohm - cm. 0.01 to 50 ohm - cm. 109 to 1012 ohm - cm. 1.6 × 106 to 100 × 106 ohm - cm. 1000 to 1500 ohm - cm. 0.01 to 50 ohm - cm. 109 to 1012 ohm - cm. ANSWER DOWNLOAD EXAMIANS APP