Electric Circuits If a resistor is connected across the voltage source and the frequency of voltage and current wave form is 50Hz, then what is frequency of instantaneous power 0 Hz. 50 Hz. 150 Hz. 100 Hz. 0 Hz. 50 Hz. 150 Hz. 100 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The unit of electric displacement vector is Ampere-m. C/m2. C/m. C - m. Ampere-m. C/m2. C/m. C - m. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The current in a chemical cell is a movement of positive and negative ions. negative ions only. positive hole charges. positive ions only. positive and negative ions. negative ions only. positive hole charges. positive ions only. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The number of electrons in the outer most orbits of carbon atom is 6. 7. 3. 4. 6. 7. 3. 4. 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? 1000 Hz. 10 Hz. 1 Hz. 100 Hz. 1000 Hz. 10 Hz. 1 Hz. 100 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The voltage drop across R is 40.8 V. 24.4 V . 50.8 V. 30.6 V. 40.8 V. 24.4 V . 50.8 V. 30.6 V. ANSWER DOWNLOAD EXAMIANS APP