Electric Circuits Four capacitors each of 40 µF are connected in parallel, the equivalent capacitance of the system will be 5 µF 160 µF 10 µF 40 µF 5 µF 160 µF 10 µF 40 µF 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 still f0. f0 / 4. f0 / 2. 2f0. still f0. f0 / 4. f0 / 2. 2f0. 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? 100 Hz. 1 Hz. 10 Hz. 1000 Hz. 100 Hz. 1 Hz. 10 Hz. 1000 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Say A point has an absolute potential of 40 V and point B has an absolute potential of - 10 V, then what will be the value of VBA ? - 50 V. none of above. 30 V. 50 V. - 50 V. none of above. 30 V. 50 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The electrical conductivity of metal is typically of the order of (in ohm - m) 105. 10 - 4. 107. 10 - 6. 105. 10 - 4. 107. 10 - 6. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the dielectric of a capacitor is replaced by conducting material the capacitor can store infinite charge. the capacitance value of the plate will decrease. the capacitor will get heated up due to eddy currents. the plate will get short circuited. the capacitor can store infinite charge. the capacitance value of the plate will decrease. the capacitor will get heated up due to eddy currents. the plate will get short circuited. ANSWER DOWNLOAD EXAMIANS APP
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