In a purely inductive circuit? Mark as favorite Copy Link apparent power is zero none of above is zero actual power is zero reactive power is zero Check Answer
In a series R-L-C circuit at the resonant frequency the? Mark as favorite Copy Link impedance is maximum voltage is maximum current is maximum current is minimum Check Answer
If resistance is 20? and inductance is 2H in a R-L series circuit, time constant of this will be? Mark as favorite Copy Link 10 s 100 s 0.001 s 0.1 s Check Answer
Capacitors for power factor correction are rated in? Mark as favorite Copy Link KV KVAR KW KVA Check Answer
Kirchhoff’s current law is applicable to only? Mark as favorite Copy Link electric circuits electronic circuits junction in a network closed loops in a network Check Answer
The form factor is the ratio of? Mark as favorite Copy Link average value to r.m.s. value peak value to r.m.s. value r.m.s. value to average value average value to r.m.s. value Check Answer
Any number of current source in parallel may be replaced by a single current source whose current is the algebraic sum of individual source currents and source resistance is the parallel combination of individual source resistances. The above statement is associated with? Mark as favorite Copy Link Maximum theorem power transfer Thevenin's theorem Millman's theorem None of the above Check Answer
The r.m.s. value of a sine wave is 100 A. Its peak value is? Mark as favorite Copy Link 150 A 282.8 A 70.7 A 141.4 A Check Answer
In a sine wave the slope is constant? Mark as favorite Copy Link between 180° and 270° between 0° and 90° between 90° and 180° no where Check Answer
The time constant of the capacitance circuit is defined as the time during which voltage? Mark as favorite Copy Link rises to 63.2% of its final steady value falls to 36.8% of its final steady value rises to 38.6% of its final steady value none of the above Check Answer