Electric Circuits The inductive reactance of an electric circuit is 200 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance? 100 Ohms. 200 Ohms. 50 Ohms. 400 Ohms. 100 Ohms. 200 Ohms. 50 Ohms. 400 Ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For the resonance circuit ω0 = 105, Q = 50, R = 400 Ω the value of C is 125 pF. 500 pF. 250 pF. 1000 pF. 125 pF. 500 pF. 250 pF. 1000 pF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RL series circuit R=2Ω and L=2mH. What is the value of time constant? 100sec 2msec 4msec 1msec 100sec 2msec 4msec 1msec ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a capacitor, the electrical energy is stored in both ‘electric field’ and magnetic field’. electric field. none of above. magnetic field. both ‘electric field’ and magnetic field’. electric field. none of above. magnetic field. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is form factor? R.M.S. value / Average value. Average value / R.M.S. value. Instantaneous value / Average value. Average value / Peak value. R.M.S. value / Average value. Average value / R.M.S. value. Instantaneous value / Average value. Average value / Peak value. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An electric field line and an equipotential surface are always parallel. none of above. always perpendicular. inclined at any angle. always parallel. none of above. always perpendicular. inclined at any angle. ANSWER DOWNLOAD EXAMIANS APP
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