Electric Circuits The rms value of the voltage U(t)= 3 + 4cos(3t) 7 V. 4.123 V. {3 + 2(1.141)} V. 5 V. 7 V. 4.123 V. {3 + 2(1.141)} V. 5 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RL series circuit R=2Ω and L=2mH. What is the value of time constant? 2msec 1msec 4msec 100sec 2msec 1msec 4msec 100sec ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a capacitors of capacitance 100 μF is connected across a voltage source of 10 V, then what will be the energy stored in that capacitor? 10 × 10 - 3 Joule. 5 × 10 - 3 Joule. 5 × 10 - 2 Joule. 10 × 10 6 Joule. 10 × 10 - 3 Joule. 5 × 10 - 3 Joule. 5 × 10 - 2 Joule. 10 × 10 6 Joule. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A circuit with resistor, inductor, capacitor in series is resonant of 50 Hz. If all the values are now doubled, the new resonant frequency is 2f0. f0 / 2. still f0. f0 / 4. 2f0. f0 / 2. still f0. f0 / 4. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 3 wire, 3 - φ supply feeds a load consisting of three equal resistors. By how much is the load reduced if one of the resistors be removed when the load is in star? 25 % of the original load. 66.66 % of the original load. 33.33 % of the original load. 50 % of the original load. 25 % of the original load. 66.66 % of the original load. 33.33 % of the original load. 50 % of the original load. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The number of electrons in the outer most orbits of carbon atom is 7. 4. 6. 3. 7. 4. 6. 3. ANSWER DOWNLOAD EXAMIANS APP