Electric Circuits The time required for a pulse to change from 10 % to 90 % of its maximum value is known as run time. decay time. fall time. rise time. run time. decay time. fall time. rise time. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A external resistance R is connected to a cell of internal resistance r, then the current is maximum when R > r. None of these R < r. R = r. R > r. None of these R < r. R = r. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor carries a charge of 0.3 C at 20 V. Its capacitance is 15 μF. 1.5 μF. 1.5 F. 0.015 F. 15 μF. 1.5 μF. 1.5 F. 0.015 F. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Instantaneous power in inductor is proportional to the temperature of the inductor. square of the rate of change of current. product of the instantaneous current and rate of change of current. square of instantaneous current. temperature of the inductor. square of the rate of change of current. product of the instantaneous current and rate of change of current. square of instantaneous current. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In ideal system coefficient of coupling(k) is Both 2 and 3 1 0 ∞ Both 2 and 3 1 0 ∞ ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When a lossy capacitor with a dielectric of permittivity ε and conductivity σ operates at a frequency ω the loss tangent for the capacitor is given by ω σ/ε. σ/ω ε. ω ε/σ. σ ω ε. ω σ/ε. σ/ω ε. ω ε/σ. σ ω ε. ANSWER DOWNLOAD EXAMIANS APP
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