Electric Circuits 2) Two sinusoidal emfs are given as e1 = Asin(wt+45) and e2 = Bsin(wt-30). The phase difference between the two quantities in degrees is 60. 105. 75. 15. 60. 105. 75. 15. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Magnetic flux has the unit of Ampere turn Tesla Weber Newton Ampere turn Tesla Weber Newton ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Electric field intensity ( E ) at any point in an electric field is equal to ( potential gradient )1/2. ( potential gradient )1/3. potential gradient. ( potential gradient )2. ( potential gradient )1/2. ( potential gradient )1/3. potential gradient. ( potential gradient )2. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 20 μF capacitor and 200 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow dimmest? 10 Hz. 100 Hz. 1 Hz. 1000 Hz. 10 Hz. 100 Hz. 1 Hz. 1000 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RL series circuit R=2Ω and L=2mH. What is the value of time constant? 1msec 100sec 2msec 4msec 1msec 100sec 2msec 4msec ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Instantaneous power in inductor is proportional to the product of the instantaneous current and rate of change of current. square of the rate of change of current. temperature of the inductor. square of instantaneous current. product of the instantaneous current and rate of change of current. square of the rate of change of current. temperature of the inductor. square of instantaneous current. ANSWER DOWNLOAD EXAMIANS APP
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